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

LE3 package not running yet.

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Old Apr 2, 2007 | 08:59 PM
  #1  
93z383's Avatar
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From: El Paso TX
LE3 package not running yet.

it stumbles and dies still, wont idle , it use to idle at 1000 now its tries to run at 1500 then it lowers and dies. my spark plugs are almost wet and black as hell. after only 45 min of cam break in what does this mean.
Old Apr 2, 2007 | 09:03 PM
  #2  
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has it been tuned? add a sif with your supporting mods.

it will help people
Old Apr 2, 2007 | 09:03 PM
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oh, and with this 93 it is batch fire so the injector plugs dont make a difference correct. before I post this, they are all in the same possitions I just ment the labeling of the injectors if i was to get one wrong shouldnt hurt, I could only miss match a pair if that makes sence
Old Apr 2, 2007 | 09:06 PM
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ok, 383 conversion, LTs, elec water pump, 52 mm tb. 32 lbs inj, racetronix FP, pcm for less tune, 1.6 comp nsa rr, the big valves, thats about it for eng stuff.
Old Apr 2, 2007 | 09:30 PM
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Alvin at PCM is looking at the log, but Im still stumped
Old Apr 2, 2007 | 11:11 PM
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You may want to pull the 32lb.er's off until tuned in order to prevent washing your rings, and fouling plugs so quick. At least until tuned.
Old Apr 3, 2007 | 08:03 AM
  #7  
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Wait for you log results and go from there.

It bugs me that the title is called "LE3 package not running"... shifts the blame in the wrong direction
Old Apr 3, 2007 | 08:21 AM
  #8  
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Originally Posted by 93z383
it stumbles and dies still, wont idle , it use to idle at 1000 now its tries to run at 1500 then it lowers and dies. my spark plugs are almost wet and black as hell. after only 45 min of cam break in what does this mean.
First off, the cam needs no break in, if it's a roller. Second, you don't start a motor up with those mods without having at least a mail order tune.
Good luck working the bugs out. Just take you time and make sure everthing is squared away before you beat on it.
Old Apr 3, 2007 | 08:37 AM
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Yea I guess I am leaving out some things that I am taking for granted, PCM for less did give me a tune for the package before I cranked it, the car ran for 30 min at 2500 to 3000 RPM for cam break in in the driveway, on my first road test it did have the idle problem and i ran out of gas and burnt up the fuel pump, so after new FP I am here now, on the drive home from the shop it felt like I could barly get above 40 like I was flooding it. both sides of inj are black and wet with carbon....Oh and I was doing the break in per the cam card just so I didnt have any excuses.
Old Apr 3, 2007 | 10:19 AM
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Did you also change your fuel filter when you ran your tank dry?

Check your IAC steps. If its maxed out it means the car isn't getting enough air at idle. I drilled my IAC hole bigger. Some people drill a tiny hole into each TB plate.
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