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

Stock LT1 car....this about average times?

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Old 10-22-2012, 08:29 AM
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Default Stock LT1 car....this about average times?

My cousin has owned several LT1 cars. They've all been in the low 14's.

He just bought a gorgeous 94' TA with 60K original miles untouched down to the swirl wheels. He went with me to the track yesterday and it ran back to back 13.90 @ 99.8 and 13.89 @ 99.2

Is that about average? Just wondering lol
Old 10-22-2012, 08:35 AM
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Yep. Typical for stock LT1s in good air. I went 13.9 @ 101 bone stock.
Old 10-22-2012, 08:44 AM
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What track? As stated, that is about average depending on your location. Could be a bit above average. At Texas Motorplex on a summer night it was very common for the LT1 stockers to be in the mid to low 14's @ 98 to 100mph back in the 90's.
Old 10-22-2012, 08:51 AM
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Alabama International Dragway in Steele AL. density altitude was 1800ft yesterday
Old 10-22-2012, 09:54 AM
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Healthy.
Old 10-22-2012, 09:59 AM
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When I ran mine with cai, ewp, full exhaust, and in street tires the at went 13.6 @ 101. Real minor bolt ons IMO. Sounds like your cousin has a well maintained and healthy car.
Old 10-25-2012, 02:37 AM
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+1, my CAI/1.6RR/shorty header LT1 Auto did 13.60's in very humid Iowa air back when I bought it.
Old 10-25-2012, 03:01 AM
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I did a best of 13.9 @ 101 with just CAI and long tubes/ory.
Old 10-25-2012, 04:02 AM
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********Stock motor********

At sea level Houston Raceway the norm was 14.1-13.7
At 2400'- 3600' LVMS the norm was 14.7-14.1
Old 10-27-2012, 01:30 PM
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the SLP stuff helps but gives you a generalization...my 94 LT1 Firehawk with SLP TOTL exhaust dynoed 244rwhp and ran 13.63 @ 102.4 in VERY good air. usually was in the 13.7-13.8 area pretty consistently.
Old 10-31-2012, 08:45 PM
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Originally Posted by 4u 2 nv
the SLP stuff helps but gives you a generalization...my 94 LT1 Firehawk with SLP TOTL exhaust dynoed 244rwhp and ran 13.63 @ 102.4 in VERY good air. usually was in the 13.7-13.8 area pretty consistently.
That hp seems really low but the et seems correct. I feel like my car has a lot left on the table with just a rebuild. 14.12@97 w/K&N CAI at. Bremerton Raceway. Car has 191k daily driven miles though.
Old 11-01-2012, 05:18 AM
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Originally Posted by BSmiff
That hp seems really low but the et seems correct. I feel like my car has a lot left on the table with just a rebuild. 14.12@97 w/K&N CAI at. Bremerton Raceway. Car has 191k daily driven miles though.
The ET is more important than the HP. HP is just a tuning tool.
Old 11-01-2012, 09:10 AM
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Originally Posted by BSmiff
That hp seems really low but the et seems correct.
Not all dynos are created equal.
Old 11-02-2012, 02:11 PM
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13.89 as well at 103mph when all it had was a magnaflow catback and holly airfoil.
havent been since the CAI, springs and tune. headers in the spring then ill run again im expecting 13.5s.

dyno'd 272whp 310wtrq with catback, CAI, airfoil and tb bypass
Old 11-02-2012, 02:52 PM
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Ya i went 14.10 @99 bone stock, leaving car in drive. The car shifted at 52-5300. Shifted myself 57-59 went 13.88 @101.
Old 11-02-2012, 03:38 PM
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Originally Posted by streetknight2
My cousin has owned several LT1 cars. They've all been in the low 14's.

He just bought a gorgeous 94' TA with 60K original miles untouched down to the swirl wheels. He went with me to the track yesterday and it ran back to back 13.90 @ 99.8 and 13.89 @ 99.2

Is that about average? Just wondering lol
Some good base runs. Now tell him to mod up and have some fun
Old 11-02-2012, 04:51 PM
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Bone stock mine ran 14.20 ish with the 2.73 gears. Edelbrock shorties, 3.42, cai, pulleys best I ever got was 13.40 but it was consistent(lighter driver would have helped I guess lol) and on a 150 shot went 12.40's. Both on street tires



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