🔧 BUILD Broke EF turbo LS SC400 Build

General Information

I may have never posted on here before, but for some reason I am inspired to post my build up here. I am going to copy and paste from another site to get us all up to speed. I will try and clean up anything that was specific to the thread I am pulling from. Now that I am getting started on the main fab work I will update this thread in real time.

For anyone who doesn't want to read it all here is the short version. I bought the car on a whim in June of 2016. It is a 1993 SC400 that was from this area, and was meticulously maintained at the dealer. I was going to stay with the original 1UZ so you will see I started installing a procharger on it. I ended up selling off the stock motor, trans, ecu and harness to a local guy and got an iron gen 3 5.3 motor. I am doing a Precision LS-7675 turbo with a truck manifold based kit (more or less). It will be backed up by a TH400, and for now will use a stock ECU with HP Tuners.

Alright, time for the massive dump of info.


A couple years ago I picked up a 1993 SC400. I wasn't really looking for a car, but a late night search found this one, and I have always liked them. I decided to go down and give it a look in person, and it was even cleaner than it looked in the pics so I bought it. Here are a couple pics of when I first got it.

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I wont bore you with all of the middle shit, just hit you with the highlights.

I removed a couple tons of wiring that used to be an alarm system.
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I had the gauge cluster fixed/updated with white LED's.
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Fixed up the wiring that was kind of hacked up from the alarm. Changed the steering wheel, etc. etc.
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I then updated the climate control, and put in a nice head unit.
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Just a bunch of little changes and fixing up small things here and there. The car was extremely well maintained and really did not NEED much. My plan was always to make it fast of course, and do drag week with it. The factory 1UZ motor is a very good starting point and can make some really solid HP. The stock trans can be built to live as well. Packaging was kind of a nightmare as you can see, but other than that it was a good option.

I ended up stumbling upon a great deal on a procharger kit that was actually on an SC400 locally. It was a P1SC that came with some shitty piping, a way too small intercooler, but a Tial blow off valve that actually had the right spring it it! I started installing that setup.
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You can see one of the things that was constantly in the back of my mind for making this a drag week car. Look how complicated that engine looks! If I had a problem on the road not only would parts be an issue, but just the time to do simple repairs is a nightmare. For example the starter is under the intake manifold in the valley.

So when a local kid hurt the motor in his SC I offered mine up to get him back on the road since that is his only car. We struck a deal and I ripped that shit out the next day.
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It happened to work out that a 5.3 LS came up for sale for the same money I just sold my old motor for, so I jumped on it.
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Its update time! Nothing really exciting, but I have been slowly chipping away at things.

First up was wiring. I am planning on using the stock ECU for a little bit with HP Tuners, so I had some wiring work to do.

Harness as I got it with the motor
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Stripped of all of the brittle loom and crappy electrical tape.
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Unfortunately I ended up having to move it around after I had stripped off all of the crap, and it got pretty tangled.
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So I decided to just fully depin everything since I only need a few things from that mess.
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Here is the pile of junk I didn't need from that harness. There is actually a bit more, but that is 99.99% of it.
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And here is everything all apart, ready to be cleaned, routed, extended, and loomed.
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Next up I got some mounts for the LS from Dan Perlenfein. He even made me a custom trans mount for the TH400. These are very nice pieces, and I got them really quickly.
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Got them set in the car, fit like a glove! (BTW they are not bolted down in any of these pics, just have the nut on the other side a few turns)
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Next up I pulled the oil pan off my motor so I could drop it in and see what I am working with.
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Bit of wishful thinking seeing of the truck intake would clear the hood. It wont.
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So keep in mind that the mounts are not 100% bolted down yet. I need to get my trans from my buddy so I can get that in place before locking everything in place (just to take it all back out again). Once I have put the trans in then I can check a few things, and it can all come back out. Engine bay is going to get cleaned up, and the motor will get some TLC as well. I am still planning on trying to get it running and driving this year, but we will see if it happens. I am not one to let things be "good enough" so I may end up spending a bunch of money and time on the motor even though it will remain a stock bottom end.

Anyway I am really happy with the fitment, and how much space I have! This seems to be more room than I remember in an F-body (on the sides) even with a tubular K-Member. Should be able to get a big single in there no problem with a 4" down pipe to run out back. I am really glad I went LS!



Well time for a small update on the thread that nobody follows :) I got the trans, and a converter from my buddy a while back. Turns out the trans was shot, and needs a rebuild. That pretty much killed my plans for just getting it running this year. The good news is that I will be able to use it as a core to verify the trans mount, and hold everything in place so I can do all the fab work and wiring. I need to get un-lazy and move the car over in the garage so I can get the trans in one of these days. Its been hot as balls, and until I got my turbo there hasn't been much of a reason to bother getting it done. That excuse is out the window now though, since this came in last week

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Its nothing special, just a Precision LS 7675, which is a cast wheel journal bearing 76mm. It should be able to max out the 5.3 though, so it will do for now. This weekend (it was hot as balls) I went out to the garage for a bit to try and get some idea where I was going to place the turbo so I can start getting an idea for a materials list. First up I got the radiator sitting in place (close enough)
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These were the most obvious positions (turbo would need to be clocked differently for most) that I snapped some pics of not in any particular order.

Inside forward facing 45
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TA style
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Inside forward facing
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Outside forward facing
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That is really about all I got right now. I guess I also got the LS6 intake since my last update. That is still sitting on the truck steam ports which is why it isn't flat. I also got a set of non-EGR truck manifolds to use as the base of the turbo kit.

So right now I need to get everything mounted temporarily. That includes the trans, front accessories, exhaust manifolds, intake manifold, etc. Then I can lock down the turbo placement 100% and order material to start work. I also need to delete the ABS so I can mount the ECU over there and get started on the wiring. Well that's all for now, thanks for following along the journey of me seeing how dirty I can get my car.



Time for a small update, just because why not :)

I needed to get the trans in so I could check the fitment of the mount, as well as get everything locked into position for fabricating. Doing a trans by yourself is no fun, worse when you don't have a lift, and worse yet when you have to do some modifications for it to even fit. I ended up grabbing a trans jack from Harbor Freight to make my life a million times easier.
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The only downside to it is that it is quite a bit taller than having the trans on my regular jack, but other than that it was SO MUCH BETTER. I could slowly move it into position and make small changes to angle and overall position with ease. Not to mention how nice it is to have the trans stable as you are moving around to get a good look at everything. It turns out it only needed a little massaging to get it bolted into place. Again, that is without a shield on it (or a bell) but I was glad I didn't have to spend hours hammering overhead.

Ignore the mess, the garage is in process of getting a lot of work as well.

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Next up I wanted to see what I was working with on the exhaust manifolds.
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Driver side is actually hitting the frame, but that is fine since I always planned on v-banding them anyway.
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Plenty of space on the passenger side
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Next up was trying to get an idea of what to do for accessories. There are about a million options out there these days. I started by trying to place the stock truck pieces just to get some idea.
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Clearly those weren't going to work, but it was worth a shot. I have since figured out what I am going to do, but I will post more about that when I get all the parts. After that I reassembled the main fuse box under the hood. I need to patch where I cut for the procharger bracket, but the car is going to be outside for a bit while we finish the garage so I wanted to close off the fuses and wiring.
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That was about it. Got the car back on the ground and pushed back out of the way for now.
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Not really a crazy update, but progress none the less. While we are finishing the garage I will get the rest of the parts needed for the accessory drive setup. Once that is all in place I can start on fab work (FINALLY!), so hopefully the garage wont take too long. That's all I got for now, thanks for following along!



Nothing exciting, but parts have been coming in lately. I had to figure out and order up all of the front accessory drive components. Luckily there are a LOT of options for that kind of stuff these days. I ended up with a set of ICT billet brackets that will use a mix of F-body and Truck pieces.

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While I am at it, I got all new everything else too since most of it required f-body pieces anyway.

New tensioner
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New power steering pump pulley
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I have a new water pump, but no pic of it. The new power steering pump will be here early next week as well. I haven't ordered an alternator yet, but I will later when I get a crank pulley.

Next up is some of the fabrication pieces for the turbo kit. I have only ordered the parts and pieces for the hot side so far.

All stainless steel T4 flange, four 2.5" 90's for the crossover, and a 4" 90 for the start of the down pipe
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The stainless steel adapter from the weird 3-5/8" outlet of the turbo to 4" tubing.
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I am still waiting on the 2.5" stainless v-band assemblies and the stainless O2 bung. I will also run another section of stainless on the downpipe, then a bellows, then adapt to aluminum for the rest of the exhaust. I probably wont start on that until after I do the cold side piping, which I will hopefully be able to start directly after the hot side fabrication is done. My garage is currently being finished, so I wont be able to start work for a couple weeks still, but its great to see parts coming in! That's all I got for now, thanks for following along.


Here are the 2.5" stainless steel v-band assemblies and the stainless steel O2 bung.
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They are very nice with indexed flanges built in
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Quick release clamps, another nice touch!
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GM reman power steering pump came the other day as well
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I was a bit surprised to see that the pump did not come with the pulley bolt, or the reservoir cap. Not a big deal, just slightly annoying. That is all I have for now. The garage is taking longer than expected, but I have also been working on the wife's car anyway. Sometime next week I will probably stock up on welding supplies so I can be ready to go. I should have enough to get started, but I know I will need some soon.




On to a bit of news, my garage is 90% done!! Paint went on last night, so now I can trim it this weekend and move everything back. Here are a couple quick pics.

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For reference, here is a pic of the garage when we did our inspection (before we bought the house)
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It had a single light bulb, and the opener was plugged into an outlet next to the switch with an extension cord duct taped to the drywall.

Here is a shot after we had added the sub panel, lights, and pulled down the drywall. I then insulated everything, and put up new 5/8" drywall.
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I know not car related, but it has been a massive project that has delayed the car so I figured I would throw it in there now that I can see light at the end of that tunnel. Next update will be all car!



Well nothing too exciting to report still. I have been busy as hell finishing the garage, and getting our house ready for a party this weekend. I did however order up a bunch more material and pieces. I should have everything to build the intercooler piping except the intercooler (which is on backorder). I have all of the material to build my exhaust, but will probably need a couple v-bands so I can section it. Anyway, here are a couple pics.

Half stainless, half aluminum 4" V-band. I have two stainless steel 90's to come out of the turbo and get me to about the firewall, then it will be aluminum from there to the bumper. The other three pieces are 3" aluminum clamshell clamps for the intercooler piping.
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Detail of the 4" v-band
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And one of the clamshell clamps pulled apart.
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I also got two boxes of piping as well. Those have a single stainless steel 4" 90, ten 3" aluminum 90's, six 4" aluminum 90's, two 4" aluminum 45's, two 2' long aluminum straight sections, a 3" silicone coupler, and a 3" to 3.5" silicone adapter with T-Bolt clamps. I am really hoping to start fabrication next weekend now that I should be done with all of these other projects. My pile of parts/material is starting to take up too much space!




Finally time for a bit of an update! After busting our asses on Friday night, the garage is now 99% done. All that really means for non OCD people is that I have more than 2 outlets (a LOT more) and don't need to drag extension cords all over! Let me back up a second, I needed to get the steering rack out of the car since it was wore out and I got a replacement for it. I also wanted to take the motor out to make taking the rack out easier, and so I could do some things with it on the stand. Thursday night I got under the car and pulled the trans.

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Pretty easy to do with nothing really connected at all. Friday the car and the bike went outside while my buddy and I did the massive amount of electrical work in the garage. Saturday got mostly eaten up cleaning the garage from the previous nights thrashing. In the evening I got the car pulled back into the garage and was able to get back to work on it.

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I let the snow melt off and dry up a bit before getting to work pulling the motor. Not terribly hard (again, nothing to disconnect or move), but kind of a pain in the ass since I have to come at it from the side.
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So one of the first things I wanted to try, was see about fitting AC. I don't think I would run it this year, but if I could build with it in mind it would make things easy down the road. I grabbed a bracket and a junk compressor from a buddy so I could mock it up. He also had this manifold laying around, so I took that as well.
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It is clearly a tight fit, but I think I could make it work. It pretty much kills running a 4" downpipe on the passenger side though, so I grabbed a piece of tubing to see what it looked like on the driver side.
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Again, very tight but I should be able to make that work if I need to. I still haven't decided if I am going to mess with it or not, but its good to know about options. Next up was getting the front accessory drive all installed.

All laid out on the bench (minus the water pump since I forgot where I put it!)
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Unfortunately I have the wrong tensioner, and I clearly still need parts (balancer, thermostat housing, alternator, etc.) but I can move forward with fabrication for now. Once that was done I pulled out the old rack.
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Then I got the new poly bushing installed in the new rack
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Then got it put in for now.
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I am going to change the "EVO component", intermediate shaft, and outer tierods but its in the car so I can fabricate around it for now and keep it out of my way.

Then I got busy organizing all of my material so I could clear the space under my bench.

Pile of tubing!
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Ahhhh thats better
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At that point I was going to call it a night, but I decided to dive in and try and get something done. So I busted out the big boy grinder
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Then I hacked off the end of the driver side manifold
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Unfortunately, that was where I had to end it. Its been so long since I have welded, the batteries in the hood were dead! I am going to stop and get some on my way home today, and I am also waiting on some welding supplies. It was great to FINALLY be working on the car again! Like I said I am still unsure on the whole AC deal, but I think for now I am going to cut up that manifold and see whats up. I will also be putting the motor back in the car as soon as I get my new steering parts (that is a whole story on its own). Thats all I have for now, thanks as always for following along!




WHEW, that was a lot of info! I ended up having to pull the post from a site I had already done this same thing on. So I again apologize if it doesn't make a ton of sense since it was a catch up on a catch up. Going forward this will get updated in real time though. I have some tools and supplies coming this Friday, so hopefully I can get a good jump on some of the fab work. I guess we will see how it goes. Look for an update later in the weekend, or Monday. Hope you guys enjoy the build, I look forward to hearing from you guys.


Thanks,
Sean

Pro Stock John

LS is the best engine
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So today is the day to get the 15's on the car finally. I had been looking at these things, and gathering parts for this for months. The plan was to roll the fenders, and maybe also flare them slightlty. Then tear off the stock rear brakes, install the ARP extended wheel studs, and put on the NA Supra rear brakes with new pads and rotors. I got up, made a killer brealfast and then got to work!

First up, rolling the fenders!
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This was going terrible, and eventually it came apart. This thing is cheap, and it shows. It actually was working fine, but I needed to do it a bit different than how I was. Since the brakes were out of the way, I figired I would throw a wheel on to see how it fits with the right tire, and fully seated anyway.
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It really looks like I wont have a problem YET with the stock suspension. It was good enough for me to say fuck it, lets get to those brakes!

Before we move on, this is my old wheel and tire set up vs the new ones.
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Old is a 245/50R16 Nitto NT555RII New is 275/60R14 Mickey Thompson ET Street SS.

It took some fucking around, but new brakes are on. I had to steal the new brake lines off the Supra. The caliper has a hole for a pin on the line, and its in a different spot, the aftermarket lines dont have a locating pin.

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So one side done, on to the next!

Many hours later, still fucking around, but almost done with the other side.

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While doing the studs on that side the new tool I got for those fell apart. So I was 2 for 2 on killing new tools today :D

I got the other side done, and then bled the brakes with the help of my neighbor. Then I FINALLY bolted up the new wheels and got them torqued down. Dropped the car down, fired it up and.... it wouldnt move.

Turns out that the wheels HIT THE FUCKING BRAKES!!!!!! I swear the brakes I installed today are the same fucking brakes I just took off, which according to the internet is 100% not the case.

I am so annoyed, but honestly that is how fucking EVERYTHING goes on this fucking car. I have no idea if its because these are 15X8 (which people have run of course), if its the specific wheel, if its the brakes and for some reason a 1995 NA supra has the bigger rear brakes, of who knows what else it could be. I am not sure what I want to do to fix this. I may just grind them down, I may buy drag brakes. I may light the car on if the
 

Broke EF

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Dec 8, 2017
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Where on the caliper is it hitting? How much clearance you have to the shock and everything on the inside?
Its hitting on the very outer edge, and also the bracket. I havent measured inside, but should be decent still. I know I can do a 15x10 wheel, and I have seen some guys with a 295/60 tire.

If the vertical is rubbing maybe try some vehicle specific 5-10mm spacers
Spacers would work, but thats a hard pass. I actually want the wheel to sit in more.

Is it hitting the bracket or the caliper? If it's the caliper hit the outboard pad against a belt sander
Its hitting both as I said above. The brakes I took off were decently worn, and it still hit the same spot.

So I think for now I am going to grind the calipers/brackets. I need to better my current records :D I am going to look into Strange brakes though after looking at options today.
 

Broke EF

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Dec 8, 2017
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Today was a wonderful day of wasting time and money LOL. I got up nice and early, and was sore as fuck so we were off to a great start. I got out to the garage about 7 to start grinding the calipers. First thing I noticed was there is some heat in these bad boys

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Actually the ones I took off were basically black, so they have been getting hot for sure. This was after 2 partial hits on the street. Clearly they are STRESSED slowing this pig down from 140.

ANYWAY, I started grinding and test fitting. I didnt think it was going to need much, I was wrong. One interesting pic I got showing the difference in tire size (again)
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After a lot of fucking around I got them both on with only a tiny little bit of rubbing still. I decided to take it down the street to see if it got better.
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We will skip over the part where it rolled down the driveway cause Im an idiot. I took it down the street and just got on it a little and the tires rubbed a lot more than I expected.
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About then my buddy Lou showed up, and I put him to work rolling the fenders :)
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I also did yet MORE grinding on the brakes, and then took it down the street for another test. It was all good this time around.
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Got her all loaded up, and hit the road. I need to change how I tie down the back, but it worked fine for today.
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We made it out to Byron and got everything unloaded and teched in. Then I figured now was a good time to figure out my bump somewhat. I adjusted the launch a bit, and then we spent a good amount of time getting the bump working with the new setup.
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Once that was good and the car had some time to cool off, I headed up to the lanes. I did a pretty decent burnout and got all staged up. The bump worked, but not as nice as it was in the pits, so gonna have to work on that a bit more. The car was slow right at the hit and never got any better. It was a 1.68 60', and 10.36 @ 136.54 mph. I come around and was thinking of what to do for the next run when I see Lou and he said it was rubbing bad all the way down track. We got back to the pit and looked, turns out it was really bad.

It moved the opening and grabbed the lip on the front side of the opening
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And it cut the fuck out of the tire.
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So that was our one and only hit. Brand new tire, runied on the first hit, so that was almost $300 down the drain :(

Its always fucking something with this car.
 

Broke EF

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Dec 8, 2017
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Are you going to try and get more clearance, or just go to a smaller tire?
Smaller tire?!
pulp fiction does he look like a bitch GIF


Its less about clearance and more about all my suspension being worn the fuck out allowing the wheel to move around a bunch. I was going to try avoiding doing the suspension until I had it all ready to go. Seems like thats not really an option if I want to keep taking the car out.

I am really on the fence about selling the car. There is an oppertunity to get a car that I have wanted for a long time. Money wise its the smart way to go, but I am not sure still cause I do like the SC and that its unique.
 

Broke EF

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With solid rotors, I recommend making sure that the backing plates have ventilation slots in them or cut the ends back, not much air gets to the inside of those rotors. So I'm gonna guess you're gonna find the heat checking way worse on the inside.
They arent solid. I will probably just go to drag brakes sooner than later.
 

Broke EF

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Dec 8, 2017
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Well since this thing hasnt sold, I may as well keep working on it :D

I started by getting some new 275/50 radials (26" tall vs 28" tall) mounted up.
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All better
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I moved it over to the middle of the garage and got it up on jack stands to work on the suspension
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The 26's look so tiny :( Oh well, they make my life easier for now so fuck it.

New race car strut on!
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I dont know whats up with the bump stop, it fell, fuck it. I will either be seilling this thing, or replacng the suspension anyway.

I debated installing the traction rods and toe rods that I have, and finally figured I probably should.

Here is the Traction rod vs stock
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And the toe controll rod vs stock
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And both in the car
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I need to replace the bolts on the toe rods since they were eliptical for the stock arms. Plus I need to cut the driverside one off. I actually meant to do all of this over the weekend, but I have been sick as fuck so I only got the one strut done yesterday. Today I did the arms on the passenger side and got everything apart on the driver side minus cutting the one bolt. Once I finish up the driver side I am going to move onto the front of the car. I need to install the extened wheel studs, may as well do the braided brake lines, and I am not sure if I want to do the struts or not. Blown is probably better for racing, but also I have them so I will proibably just do em anyway.

The plan is to take the car to work on Thursday for a car show we are having. Then after work I am going to drive it up to GLD and try and get some low 9 runs in it finally. I think the tire alone would let me put the power down fast enough to make that happen, but with the arms as well hopefully I can hit the 60 pretty hard as well. It does still need ALL the suspension front and rear, but we will have to see what happens.

Yes I am actively trying to sell the car. There are a lot of reasons for this, but it is NOT to get out of cars/racing. It is bitter sweet selling the SC because I do really like this car, and I know the potential it has. The way this car kind of came together doesnt follow how I usually build a car. I normally would focus on suspension and chassis first, and power last. Just because of how things happened, this car came together backwards. It still does very well considering its been on 30+ year old, worn out stock suspension! If I end up keeping it, I will be focused solely on the suspension for next year first, and then making sure I have the fuel to max this turbo second. Who knows what will happen though, I really hope it sells :D
 

Broke EF

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God I love suspension bits.

Also. I wish i freaking worked at a place where a "work car show" would even be a possibility :ROFLMAO:

Whatever happens, hope everything works out for you! I look forward to whats next
So do I, and this car needs a LOT more of them!

Yeah this new job is pretty awesome! I am curious to see what shows up Thursday. I know of a couple car guys, but there are probably over 1,000-1,500 people at this location so I assume there is a good amount of us.

Thanks! I am honestly fine with either course, keeping this car or getting something else. They both have pros and cons of course. Regardless I should be picking up the OTHER project car somewhat soon :)
 
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Broke EF

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More progress today, but only one pic. I cut off the bad bolt for the driver side toe rod, and also got the strut done over there. I am waitiing for some new bolts for the toe rods, so thats as far as I got in the back. I went to the front and stared at it for a bit. Nothing softer than blown shocks LOL But of course I decided to get it done anyway. I pulled off the brakes, knocked out the studs and got the new ones in. Then I was hoping I could get the strut assembly out without taking it all apart, but I had to swing the upper control arm out of the way. Luckily for me the long ass bolt came out really easy.

i-RZcd3R9-X2.jpg


I also tried to knock that sway bar link off, but it just spun. I didnt have the grinder out untl after I put it back together so its still there.

Tomorrow I need to throw the driver side rods in and tighten everything in the back. Then do the studs and strut on the passenger front. If I have time I will try and clean the car up some for the show, but clearly I care more about the track after work :D I also want to take the car out and see if it still wants to smoke like a MFer. I am really hoping that the wrap just had a bunch of crap in it from Sick Summer, but I am skeptical. If it wants to keep smoking, off with the exhust :D
 
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Broke EF

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Its update time! I was at work way later Thursday than I wanted to be, so I had to get right into work to get it all done. The new hardware for the toe rods came in, so I was good to go. I was slightly worried about that coming in time since it came late in the day.

Both arms compared to stock
i-cRcWp4R-X2.jpg


Driver side all buttoned up
i-6hb8wn6-X4.jpg


I got the passenger side rear all done up and then moved to the front. I only had the passenger side to knock out, and I got worried for a bit. The upper control arm has to come apart to get the strut out.
i-p3F5Vrn-X4.jpg


And, yeah it hit the turbo piping.
i-CFH4RJd-X4.jpg


But all I had to do was take the clamp off, and out it came
i-kfgThzv-X2.jpg


Got that all swapped out, new studs installed and done
i-dqn9NJw-X4.jpg


After that I got it back on the ground and at least cleaned the windows so it looked half decent. I got it loaded up with my gear and called it a night around 10. By the time I got to be it was more like 11:30 and then I barely slept for whatever reason, then it was up at 4 to hit the road.

The drive in was uneventful which is great. I just cruised doing 65 down 90 forever and didnt have too much traffic once I got off. Here she is parked up for the car show, before I had to move it.
i-8vZkHMp-X4.jpg


Looking hald decent after the 54 mile drive in :) So anytime I was out by my car I had a huge crowd around it. I started the car (at peoples request) a couple times, and that got even more people around. Everyone was taking pics and video, asking a million questions etc. It was a good time over all. The voting ended at 2, but my boss scheduled a meeting at 1, so I had to run to go to that, and then he forgot and never showed up. But since I was back at my desk I stayed and did some work. Then the guy running the deal shot me a message and said they were doing awards soon. That was at like 1:58, and I got up and walked over to the show area to catch the annoucements. A 1961 Mercades Limo won, then a C3 vette was second, and some Hyundi Genssis was thrid. The guy came up to me right after and was like "You were winning all day." I said oh yeah, really?! He told me that when he sent me the message I was still winning, and then a ton of votes came in. So I went from 1st to not even placing in 2 minutes LOL, That is my usual luck, so no shock there. Someone brought a 63 (I think) VW Bug that apparently has been his wifes car for a long time. She came at the end with thier kids, and the kids were pumped about my car so I let them all sit in it and they were smiles ear to ear. That was pretty cool :)

After that I basically packed up and hit the road to GLD. Nothing exciting on the drive, just some traffic and then a buch of cruising on 94. I threw in 10 gallons of E85 close to the track just to be sure I wouldnt run low or have to find something on the way home. I got to the track, got "teched" in and let the car cool off while they transitioned from the rental to slicks night. I lowered the tire pressure down, left the tune up alone and got in the lanes. First pass, was slow and way down on MPH. I pulled the logs and sure enough, no fuel pressure again. I opened the hood and of course one of the push lock lines came out again. The stupid block will not stay where I have it kinda mounted, so it falls and pulls on the BOV line and comes undone. Quick litle fix, and we were in buisness.
i-VTXnNTW-X2.jpg



With that taken care of, I got back in the lanes. Yes, this was me in the staging lanes...
i-9P7X2nj-X4.jpg


As you can imagine, it took a while for pass number two. Car was still slow, slightly better though. Got back to the pits, look at the log and SAME SHIT more or less. Back under the hood and we found a bad fitting on the fuel pressure regulator. I was able to get one from Boost12 and got it slapped on and back to the lanes. Sat in the car forever again, but finally it was go time. Did a nice big burnout because why not after waiting forever. Guess what? It did the same shit AGAIN. It was almost 11 by this point, so I just paked it up, aired up the tires, and hit the road back home.

On the way home, pretty close to my house, I got pulled over for the first time in this car. He came up to the car and said he pulled me over for my headlights and my exhaust, but wasnt going to give me a ticket or anything. I understand the exhaust, even though I was going like 40-45 in construction, which is basically an idle and isnt that loud. Maybe he was up the road when I was getting to speed, because it has a loud (terrible) tone as I come up through the revs at part throttle. I had earbuds in so I couldnt hear the car at all, because when I can hear it I try to keep it out of that range. However, I was very confused by the headlight comment. I have them, they work, and they are stock?! I didnt bother asking him, fuck it. He really just asked me a bunch about the car like we were at a car show.

I finally made it home a little after midnight
i-f2Ct9J6-X4.jpg


It was around 175 miles for the day, and 3 passes on the track. I havent looked at the car yet to see if I can spot another issue with the boost reference lines. I have a suspicion, but I will just see what I can find before I say. I did look at the log from the third run today, and it was the same as the rest. I will probably take apart the filters and check them again. I did that after sick summer already, but may as well. I will probably also just change out all the push lock stuff to AN. I was planning that after sick summer, but was undecided on -3 or -4, and kinda just got hung up on that and never ordered anything. Anyway, thats all for now. I will report back what I find and what I change. I am hoping to get back to the track soon, I really want to get some low 9 second passes on this thing already.
 

Broke EF

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Welp, no good news unfortunately. We had some people over yesterday so I made sure to get the lines "fixed" beforehand.

i-NMpcdj2-X2.jpg


Its not pretty, but it cant actually move there, and the lines had plenty of room to move with no strain. With that "fixed" I took my buddy out for a spin, and then my niece. I decided to check the data logs to see what it was doing. Its still the same shit, which is getting old. Props to this engine for surviving this insane abuse.

Driving it down to Aurora and back today I messed around a bit, and it seems to make and hold pressure at 5-10lbs of boost. So base is 45 and I saw it holding 55, but I dont see that much fuel pressure on the logs when the boost is turned up. I think I am just gonna stop fucking with it and redo the fuel system.
 
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Broke EF

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Are you using the cheaper plastic tube or genuine d o t airbrake line?
I think I have both? I cant find the last of the nicer stuff I was using. The other day I used some older stuff I had that had always worked fine in the past.

I ended up looking at some old logs, and apparently this has been a problem for a long while. I think what happened was I assumed I had more wiggle room in the fuel system when I made the change from 93 to E85 and I 100% didnt. I really should have known that, but for whatever reason I never noticed that it was way past what it could handle. I hadnt sent logs to my tuner until after Sick Summer, and he immediately saw the issue, so this was all on me. I am just really luckt I didnt hurt the motor as far as I know.

I have been trying to figure out what to do about this for a while now. Today I pulled the trigger and ordered up a new fuel pump and some injectors. I went with a setup that will support more than my turbo can make, but will probably will be tapped out before the engine is maxed out. I think it will hold me over for a while assuming I keep the car. I would really want to revamp the whole system end to end if go any bigger. It should all be here tomorrow, and the plan is to get it all in the car and go out to Byron Sunday.
 

Turbocharged400sbc

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My pump draws more current on e85.

I think the E85 lack of lubricity might be a drag on the pumps along with needing more volume.

The TR did 608whp/570ftlbs on a tired walbro 255...at 13.4:1 afr....doh'

Please wire it for Dual oversize relays, at least the 40amp metripack/delphi relays, and non chassis ground path.
 
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Broke EF

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I was thinking of running some 20ga right to the switch. For the ground I figure a drwall screw into the floor should do the trick.

Parts showed up yesterday!

i-hsVCqJ3-X2.jpg


Injector adapters to make up the height difference between the LS3 style injector and the LS6 rails
i-8wMtnvZ-X2.jpg


Wire adapters to go from the EV-1 connectors on the harness to the EV-14 style injector plugs
i-sRzcCTX-X2.jpg


The assembly
i-6JkPtzV-X2.jpg


The new Holley 120lb flow matched injetcors
i-qRP4TwL-X4.jpg


And the new dual pump setup
i-FjT8RBN-X4.jpg


I got as far as assembling the pump setup yesterday.
i-k9ftw5m-X2.jpg


Currently in the car I am running a single one of these pumps. It would have been cheaper to get a second one, but this means I can hold onto that pump for a spare. It should also be easier to swap this setup in rather than make up a bunch of lines and shit. It should make slightly more sense when I install it later today.

Last up for the parts was a rebuild kit for the fuel pressure regulator. I got two, so I will have a spare.
i-Bsh8GQR-X2.jpg


I wanted to get started on all this yesterday, but between the work going on with my shed, and actual work I didnt get anywhere really. Hopefully everything goes smooth today, and I can get all of this in the car. Then hit up Byron tomorrow to see what it can do turned ALL THE WAY UP! This setup should support everything that my current turbo can do. I dont think it will do much past that, but there is a LONG list of other shit the car needs before I would do a turbo. That also assumes I have the car that long anyway :)
 

Turbocharged400sbc

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Eyeball all of the female and male terminals on those adapters a lot of times their damage twisted or otherwise a giant burr.

Be aware that instead of silvering/tinning alot of the china terminals are chromed....and poorly stamped.

It's amazing the damage that one did to the 442 harness with just a burr...it folded up the female terminals bannana spring and was a bastard to take apart after.

On the male pins they are never double stamped like oem to taper the edges after forming.

They will shave grooves into the oem terminals reducing contact area and making intermittent more likely.

I ended up resquaring the females on a few but mostly I had to hit every male with a small hf diamond dremel bit to bevel the nose/edges of the male pins.

Iirc there's a few tsb's nowadays warning of this in regards to harness repair.

I see enough intermittent problems that the tiny new stuff makes me even more nervous
 
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