LT1-LT4 Modifications 1993-97 Gen II Small Block V8

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Old Jun 5, 2010 | 12:11 AM
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1lt1wiz's Avatar
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Exclamation track results

hello went to track to night and not happy i ran a best of 14.5 with a 2 somthing rt the car has moroso cold air performabuilt level 2 trans with his 23 2500 stall and a tsp rumbler free mods the problem i have is when i launch it at 2500 it feels like its hitting rev and u have to let up a bit any help would be helpful
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Old Jun 5, 2010 | 12:14 AM
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Reaction time doesn't effect your et so don't worry about that. What was your 60ft time? Also, trap speed?
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Old Jun 5, 2010 | 12:17 AM
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Why does your sig say "new time of 13.418" if you just ran a 14.5?
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Old Jun 5, 2010 | 12:28 AM
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Default hey

that was befor i had to have the trans rebuilt by frank at performabuilt 2.1 on the 60 mph was 94 befor the rebuild i hit a 13.8 and lost reverse 2 days later
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Old Jun 5, 2010 | 01:01 AM
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Ok first off it's very difficult to read and understand what you are typing. Puncuation would help a lot. 94mph trap is very low even for a stock auto. This was with the new transmission?
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Old Jun 5, 2010 | 10:07 AM
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Exclamation here

ok street tires rt.. was .167
60.. was 2.154
8th.. was 9.358
mph for 8th was 75
1/4 14.542 mph 94
car has texas speed rumbler no cats free mods moroso cold air removed ac been tuned also
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Old Jun 5, 2010 | 11:40 AM
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Default hello

bumb to top
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Old Jun 5, 2010 | 01:07 PM
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get ur shift points moved. You shoudnt have to let out to shift.
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Old Jun 5, 2010 | 01:12 PM
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What year is your car?

Stall wall needs to be tuned out in 93/94/95 I believe.

If it's ODB2 you are gonna need a new tranny...
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Old Jun 5, 2010 | 01:25 PM
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Originally Posted by 1lt1wiz
hello went to track to night and not happy i ran a best of 14.5 with a 2 somthing rt the car has moroso cold air performabuilt level 2 trans with his 23 2500 stall and a tsp rumbler free mods the problem i have is when i launch it at 2500 it feels like its hitting rev and u have to let up a bit any help would be helpful
It is very hard to understand your paragraph-sentence all run together. Sorry.

First, it sounds like to need your new tranny tuned to shift at the correct rpm. A dyno sheet will show you your peak rpm, so set the shift point 200 rpm past peak. I think I am reading that you are hitting the rev limiter instead of a good shift ?

Second, comparing the times you ran before, may be apples to oranges. If the DA, track condition and tires or pressure was different, it can drastically change your ET. I loose half a second and 5mph from fall weather, to summer.
Give some detail on before and after if you really want some opinions.

Pitt
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Old Jun 5, 2010 | 03:19 PM
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Work on your launch first of all. People on street tires are cutting at least 1.8 sixty foots with bigger stalls
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Old Jun 6, 2010 | 12:25 AM
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having trouble understanding but sounds like you are hitting the rev limiter, probably needs retuned for the convertor.
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Old Jun 6, 2010 | 01:56 PM
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EDIT: Ok he has OBD1. Need a tune.
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