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

Super slow lt1 14.75 e.t

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Old 08-12-2010 | 11:52 AM
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isn't there a door sticker code that will tell you the gears?

The car is a turd off the line (prob. 2.73). If I pull out in front of my house right now from a dead stop it wont even bark the tires.

If it is forsure a 2.73 rear it would explain how my G6 GT would prob. 60 ft it. lol

Last edited by Brando5641; 08-12-2010 at 11:59 AM.
Old 08-12-2010 | 12:01 PM
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Also how many miles are on the car and does it still have the original functioning cats?
Old 08-12-2010 | 12:03 PM
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It has the GU5 code on the service par # sticker on the door (3.23's)
Yes it still has cats with 133,000 miles on car
Old 08-12-2010 | 12:17 PM
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my 94 z28 2.73 gear a4 car ran a best of 14.2 here in az, bone stock with 88k miles on it. i think my mph was like 98
Old 08-12-2010 | 12:29 PM
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Originally Posted by 96lt1m6
DA,barometric pressure,humidity all play a huge factor in your ET, i really hate these threads cause you always get someone that runs 12s at sea-level and the same mods on another car runs 13s and it turns into "your car is messed up,who tuned it,you cant drive etc.....

Find out your tracks elevation,the DA at the time you ran and you will see the difference!


OP depending on your location these times are normal,dont get discouraged by previous statements.
That is very true. I lose a tenth or a little more between early spring and summer. My 13.99 was run in late Feb (don't have the da figures in front of me right now) and the 14.10 was run in late May. They both calculate to about 13.82 corrected to sea level.
Old 08-12-2010 | 01:05 PM
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I use to live in Tulsa and the track has an elevation of 750' give or take a little (IIRC). Something is definitely off on that deal a little bit. I had a buddy with a 97 formula, automatic, cold air induction, flowmaster muffler, and a GU5 (3:23). I personally watched that car make multiple 13.70/80 passes @ 101ish. That car always ran well from the day he purchased it from Jackie Cooper Mercedes on Memorial. I would definitely investigate the normal items: plugs, wires, opti, transmission (fluid change and service).
Old 08-12-2010 | 08:16 PM
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Originally Posted by 96silverram
I use to live in Tulsa and the track has an elevation of 750' give or take a little (IIRC). Something is definitely off on that deal a little bit. I had a buddy with a 97 formula, automatic, cold air induction, flowmaster muffler, and a GU5 (3:23). I personally watched that car make multiple 13.70/80 passes @ 101ish. That car always ran well from the day he purchased it from Jackie Cooper Mercedes on Memorial. I would definitely investigate the normal items: plugs, wires, opti, transmission (fluid change and service).
I know the feeling bro, i started racing in Houston 1987, i tell you it seemed as though we could do anything to the car and it would run i moved back to Vegas and the mods are 3-1 out here due to the DA.....Thats why i love N2O its sea-level in a bottle lol
Old 08-12-2010 | 10:04 PM
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Originally Posted by Brando5641
They wern't giving out time slips and my gf didnt look at the 60 time. I dont think its a 2.73 gear. 1st gear 40ish 2nd 75-80 3rd 125ish. I would guess 3.23. This was in tulsa ok on a 90 degree night and the car wasnt spinning at all. I also let the car sit and cool off to about 140 between each pass. I was very diapointed at how slow it was. I had a edelbrock headed small block that had a FUBAR holly and ran a 13.90 on 2.73's. I got a vid of the track night i will get it up on youtube and post a link.

14.75 @ 98 I think.


you have a 2.73 car. Get a set of 3.42 (from a M6 car, find them used) and a 2800-3200rpm stall. With a good 60ft, (1.8x) you should go 13.40/50's @ 100


already mentioned your not at sea level and it was 95 outside. Thats the reason for the slow ET, the trap speed for a a4 car is right on par. I dont think your missing any HP
Old 08-12-2010 | 10:47 PM
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its not the gears, he already said he has 3.23s, 6 posts ago
Old 08-12-2010 | 11:11 PM
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Doesnt mean they werent changed previously.
Old 08-13-2010 | 12:41 AM
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i was told it has 3.73 but i know thats b.s
Old 08-13-2010 | 12:39 PM
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To the original OP, the traps right, so that leads me to believe DA and 60ft times suck.

Originally Posted by 96lt1m6
I know the feeling bro, i started racing in Houston 1987, i tell you it seemed as though we could do anything to the car and it would run i moved back to Vegas and the mods are 3-1 out here due to the DA.....Thats why i love N2O its sea-level in a bottle lol
Baytown probably hooked back then too, now a days, they don't prep it as well as they 8-10 years ago. Middle of winter when we get insane negative DAs people would go to the track to get there "sig" passes.



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