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

weak times with big mods

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Old Apr 27, 2003 | 05:52 PM
  #1  
jeremy reppert's Avatar
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Joined: Nov 1999
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From: charleroi pa usa
weak times with big mods

today I raced my car for the first time after cnc ported heads and the 230/236 cam,injectors 1.6rr etc. I have every na mod possible and only ran a 12.6 at 107. Anybody know what i should look at first. Its an auto with 3400 vig. I got a 1.77 60foot time. I was told i should have near 400hp to the wheels. Something just seems wrong. Any advice will be appreciated.
Old Apr 27, 2003 | 05:59 PM
  #2  
turbo_Z's Avatar
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Joined: Nov 2001
Posts: 3,515
From: Kansas
i would go talk with Bryan Herter of pcmforless.com about this. he lived in Temple, PA so hes in the same state as you. hes very knowledgeable about LT1s and should get you the power you are after. you must not be making 400 rwhp with those times so something id definitely up. with a 1.77 60' i would say you are good for high 11s with that combo of mods.
Old Apr 27, 2003 | 06:02 PM
  #3  
jeff1586's Avatar
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Joined: Apr 2003
Posts: 87
From: Shreveport LA
Get your car dynoed and see how much power you are making. it could be that you need a prom, your engine is being choked of air at upper rpms, or something else. Check to see if your hp is low on a dyno, if you are making good horspower, check your driveline to make sure everthing is functioning properly.
hope this helps
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