This car is FAR from it's full potential, whatever the hell is going on at 5400rpm's is sooo hindering what this car can see. The tune is extremely conservative. I have no doubt once all of this is sorted out this car will make 500whp on 93 and probably be limited on the fuel system with a higher octane.
Went to the Dyno on sunday...
- Thread starter The Broken Regal
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For sure.i think the impressive part here is its putting down 400 WITH issues. theres a lot more in it. spring is gonna be a great time for A LOT of people.
I want one
Basic mod list...
T70
stock bottom end, heads, tb, f-body LIM and UIM etc
driver side TB due to turbo headers
3" d/p
TR10 IC, 3" piping through all
racetronix pump
80lb injectors
turbonetics racegate (forgot mm size)
130# springs
ST1 cam
stattama BOV (forgot mm size)
about all i can think of off the top of my head right now
T70
stock bottom end, heads, tb, f-body LIM and UIM etc
driver side TB due to turbo headers
3" d/p
TR10 IC, 3" piping through all
racetronix pump
80lb injectors
turbonetics racegate (forgot mm size)
130# springs
ST1 cam
stattama BOV (forgot mm size)
about all i can think of off the top of my head right now
The stock axles themselves can take the abuse most of the time. The boots are what usually fail.
*edited for clarity*
Yeah, it's surprising what the stock axles can take. We're pretty fortunate with the amount of power some of the factory stuff can take. Unfortunately there isn't a trans out there that can take the power over and over. Until someone steps outside the box and figures out a way to mate the 4t80 with our cars and also figures out how to build the shit out of them, we'll never have our version of a th400.
yup, no more power to be had, new twincharged setup coming for spring, need a s/c to get the turbo spooled
took me a few minutes to find it
what was already said, wanted to get a baseline on 93, still havent maxxed it out... then its simple conversion to e85 in the spring and go right on from where we left off at 93, plus, I know I'm going to run out of fuel with e85, so fuel system ideas/plans will need to be looked at over the winter
yea I have a set of full slicks/skinnies, axles should be fine, havent really ventured down that road yet
trans is fully built with just about everything you can, and cant find anymore lol
yup, no more power to be had, new twincharged setup coming for spring, need a s/c to get the turbo spooled
i really wish in the begining i had taken the time to drive it so i could feel exactly what kevin was talking about.Dyno graph is already on it's way down though, i really don't think it would continue making power anyways. Not saying your problem isn't a problem, but running it to 6200rpm's might not help make more power. IDK... you need an st5, that's like one of the few cams that makes power past 6k, all others die right around 5500-5600, our heads SUCK ass.
But damn nice numbers on pump and i'm assuming a very safe tune.
And one more question, did you buy the 130's new? I have an odd feeling you guys couldn't say for sure those are 130's.
airflow is stalling, the fact the "pop" left when we removed that jerry rigged muffler, means the engine was basically its own EGR as its the exhaust side that was hanging open.
without it the motor airflow stalled quite smoothly as that chart shows
i cleaned and rebuilt a set of ~40k lifters for his car as his stockers had bit the dust with that oem cam, so lifter pumpup is also a good possibility, the aftermarket stock length pushrods did preload over .060 an all of them when i screwed down the rockers.
dd, hk and i are in agreement that the first and cheepest course is to swap out the rockers with oem, take some zero lash pushrod measurements with my pushrod checker and retest.
i know i have a set of 70k units that should have minimal pushrod cup wear for the comp pushrods they were heavier than stock but pushrod weight has less effect leverage wise than rocker nose weight.
reworked RM dbl installed straight up its a little cam and he was of the "imma drive this on the street all the time" mindset at that point, now he just botches about blowing the tires up all the time
since i had to kick it outta the garage because of the dodge we've been fighting this damn issue in one way or another, even at the track.Very nice, kev
we had went through enough ignition system iterations that i was pretty damn sure it wasnt an ignition missfire, i really should have driven it, but we were slowly able to exclude things once a week when he could bring it up here, and i also did work in his driveway. wires, maf, we tried to eliminate everything we could before the dyno
the dyno let us do it much more rapidly and with a lot more legality
its in full effect at 5400 rpm's its rearing its head already much lower than that, boost pressure changed the rpms it occured at but airflow still stalled, MAP, maf all showed airflow was evening out. either the lifters were pumping up hanging the valves open or the rockers are just too heavy, hell it could be the springs just cant hold the ex backpressure (it'd be fairly easy to hook up a gauge if we need to)
the cheepest test option is oem rockers, hk and dd have told me they have come across other setups where this curred the problem.
yes def conservative, def needs a good reliable fuel system.
you skeered yet?
stock motor, cam and chain, cleaned up, modified windage tray, bypass delete, shimmed spring (bearings looked tired lol)
prev rockers were yt 1.9's we tossed on dd's set of 1.6 HS
yupThe issue is that HK is running stock timing, half the boost as he could, and WOT AFR is safe as fuck.
stock as fuck
at billy with the editthanks for the hint
Theres no one who makes a modified sending unit to drop in take to run dual walbros like the Evos do for E85 apps/ Also besides for that maybe running a bosch inline pump? Your deftinally going to need probably around 150# injectors for your E85 or are you going to buy bigger and scale down?
we'll see how it does once it can run up top
it'd be nice if we had good spark signal to the dyno so we could see how the tq curve was going, but oh well.
no one makes a dual pump unit, not enough room and not enough of a market, swaping to an external surge tank and a good pump is the best option. with a good pump the 80's should handle it to the limit of the turbo
you skeered yet?
Me scared? Don't worry, i got something for ya.
thanks for the hint
Thanks for picking it up
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