LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

LE2 setup running rich on start up

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Old May 3, 2008 | 09:03 AM
  #16  
DAVE00's Avatar
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From: Houston, TX
Originally Posted by slammed98gmc
thats why you log some data and send it to bryan and he will make the needed adjustments. I had mine dyno tuned before I sprayed my truck and the tuner (very experienced lt1 tuner) could only get 6 more hp out of the tune. That is pretty nailed in my book.
+1 I agree, dyno tuning sometimes is just not worth the extra 4-5 hundred bucks especially when tuners like Bryan at PCMforless have so much experience and have most likely seen your same setup over the years and have a tune that can be dead on!!! I had mine dyno tuned over 8 years ago and the jackass didn't do sh*t as I didn't know any better. However, when I got a cable last year and started getting into Tunercat and Datamaster I compared my tune to a stock one and nothing was changed. Bryan made a ton of changes to the VE tables and WOT calculations to account for my highflow heads and mild cam, made a world of difference.
Old May 4, 2008 | 08:08 PM
  #17  
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I sent Bryan an email, he says open up the TB Blades, i think he is right, i am using a stock ported TB 52MM, but i had a Prof Prod, 58 MM one on there, it ran like crap, i think it needs the IAC drilled, the stocker is pretty good, i will stick with it until this winter, than i will get the 58 to work.
Old May 6, 2008 | 12:03 AM
  #18  
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From: Coon Rapids
Originally Posted by jclark311
I sent Bryan an email, he says open up the TB Blades, i think he is right, i am using a stock ported TB 52MM, but i had a Prof Prod, 58 MM one on there, it ran like crap, i think it needs the IAC drilled, the stocker is pretty good, i will stick with it until this winter, than i will get the 58 to work.
Yes just drill the IAC bypass to 11/64th's, Crack the throttle blades with the adjustment screw on the throttle body, run the car in park and in gear till you get a good IAC reading and decent idle. Then slot the tps sensor mounting holes to get 0% throttle position .5to.7 TPS volts. This will help it get air and idle. It's not hard to do and you should do it asap.
Your car will run rich, enjoy the fumes...its better than lean at this point.

Get it on a Dyno to get a exact tune, My tune from bryan has served me well so far but i need to get it on a dyno.
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