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Old 01-23-2018, 11:52 AM   #1
 
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Default Engine Shop that knows 3800's in chicagoland?

I know 3800's are a different animal compared to your typical SBC. Any machine shops that have experience with 3800's in the area? Near O'Hare?
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Old 01-23-2018, 11:56 AM   #2
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Old 01-23-2018, 11:56 AM   #3
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jokes aside, what are you lookin' to have done? @TurboTPI
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Old 01-23-2018, 12:06 PM   #4
 
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I think i melted a piston in my regal. Im in the process of tearing it down now. But i may have a shop assemble the short block with new parts. Ive already built one L67 and it spun a rod bearing after 5,000 miles. And ive heard nothing but horror stories about 3800's. That once you unbolt the main caps they never live. Long story short, after the L67 spun a bearing i bought a low mile L26 and put my ported heads, cam, blower, ect on it and it ran awesome. Till last week when something let loose. I think its a broke piston. I just dont want to go through all the work to assemble another engine and it spin a bearing again.
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Old 01-23-2018, 12:07 PM   #5
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you're against the typical- "find a junk yard motor and throw it back in untouched" route?
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Old 01-23-2018, 12:16 PM   #6
 
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Not against it, haha. Just weighing my options. I have a good set of rods and pistons from an series 3 L32 that id like to use to put a solid short block together.
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Old 01-23-2018, 12:19 PM   #7
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Other's should chime in but, I guess i've just never heard of a story of an engine shop built 3800 holding together...
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Old 01-23-2018, 12:29 PM   #8
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Yea, rebuilt 3800's die and with the labor you'll spend at a machine shop you could probably buy 4 used motors. So, go the used motor route, don't try to rebuild it. Unless it's just a cracked ringland and has done ZERO other damage other than that, just toss in a new piston. That can be done without tearing the entire motor apart.

Why did you melt/chip a piston? Bad tune or something?
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Old 01-23-2018, 12:39 PM   #9
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i vote for good running short blocks.
put the money in heads and valvetrain & gen V blower on e85
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Old 01-23-2018, 12:39 PM   #10
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but.. north west side, see if speed service is interested in touching that. i doubt it, but theyre good at what they do.
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Old 01-23-2018, 12:52 PM   #11
 
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Same here. That's what scares me. haha.
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Old 01-23-2018, 12:54 PM   #12
 
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Maybe ill just put the rods/pistons in and not touch the main caps. As long as the rod journals look ok.
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Old 01-23-2018, 12:55 PM   #13
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powder metal rods? i forgot whats in those..
if you re-bearing them, 95% of the time, they require re-sizing.
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Old 01-23-2018, 01:00 PM   #14
 
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Yes, powdered metal rods.
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Old 01-23-2018, 01:02 PM   #15
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tim, save yourself the headache and get yourself a good used short block.
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Old 01-23-2018, 01:02 PM   #16
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or LS4 it
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Old 01-23-2018, 01:07 PM   #17
 
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Just get a junkyard block. Keep it from detonating and it will handle anything you can throw at it.
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Old 01-23-2018, 01:08 PM   #18
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^^ that...
dont forget. the series 2 & 3 3800s are WAY stronger than a 109 casting 3.8 that was in grand national.
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Old 01-23-2018, 01:12 PM   #19
 
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Why did you melt/chip a piston? Bad tune or something?
Im not sure why it happened. Ive been on the current tune for close to a year now. I was in the middle of a three way race (2000's mustang gt and 5th gen camaro ss) I pulled on the mustang with ease, then the camaro came up next to us and we did a three wide pull on RT 83 and at the top of 2nd gear i felt my car kind of loss alittle power then a huge cloud of smoke and oil everywhere. It blew the dipstick out and covered everything under the hood in oil. I think it could be that the fuel filter is clogged. When i went to e85 i changed the filter after a few tanks of e85, but that was over 2 years ago. Of course i pulled my wide band 02 out a week earlier. But atleast i was winning when she let go. haha
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Old 01-23-2018, 01:14 PM   #20
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I see it's not necessary but I'll chime in anyway.

Do NOT rebuild. As soon as you touch the main caps, 3800's lose their magic.

Get a used block.
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Old 01-23-2018, 01:17 PM   #21
 
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Thanks guys. Looks like ill be looking for a good, stock engine. Anyone have one? haha
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Old 01-23-2018, 01:21 PM   #22
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HOLY SHIT, someone that listened!
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Old 01-23-2018, 01:28 PM   #23
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They come and go on CL, I'm sure more will pop up.

https://chicago.craigslist.org/sox/p...440966784.html

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Old 01-23-2018, 01:29 PM   #24
 
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haha. Only because I've already been down that road.
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Old 01-23-2018, 01:47 PM   #25
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Quote:
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Im not sure why it happened. Ive been on the current tune for close to a year now. I was in the middle of a three way race (2000's mustang gt and 5th gen camaro ss) I pulled on the mustang with ease, then the camaro came up next to us and we did a three wide pull on RT 83 and at the top of 2nd gear i felt my car kind of loss alittle power then a huge cloud of smoke and oil everywhere. It blew the dipstick out and covered everything under the hood in oil. I think it could be that the fuel filter is clogged. When i went to e85 i changed the filter after a few tanks of e85, but that was over 2 years ago. Of course i pulled my wide band 02 out a week earlier. But atleast i was winning when she let go. haha
Sounds like you cracked a ringland and all of the combustion was leaking straight to the crankcase. You might have chipped a couple pistons from the sounds of it. It also sounds like the car went lean, so I can only assume you're still running a stock pump?

Also, what are the mods to the car if you don't mind me asking and who tuned it?
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