ls1 trans am 12.60@111 1/4
01-01-2014, 09:30 PM
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ls1 trans am 12.60@111 1/4 I have a ls1 trans am with a Texas speed torqure v2 cam, tick performace stage 2 trans, moser 9" rear stock 243, 11.9.1 compression, longtube headers, y pipe, corsa exhaust 34lb injectors made 411wrhp on dyno...
I ran a 12.60 @111 1/4
60" 1.8
what do you think it should run?
I ran a 12.60 @111 1/4
60" 1.8
what do you think it should run?
01-01-2014, 10:17 PM
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01-01-2014, 10:52 PM
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I also trap pretty low, but often times need to slow up from spinning because i don't have a real tire yet... my best to date is 12.5 at 112 on my street tires. You dynoed a decent amount higher than i did, but you definitely have more left in it with the 60 ft.
01-01-2014, 11:16 PM
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Yeah Hopefully with the th350 with a 3600 stall it will put me in 11s
01-02-2014, 06:32 AM
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01-02-2014, 08:32 AM
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01-02-2014, 08:41 AM
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01-02-2014, 09:18 AM
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What does it weigh with you in it? I've seen Trans Ams weigh over 3800lbs with normal sized driver if they don't have weight reduction or maybe have added things like an amp sub
How is your shifting? Lazy shifting will kill your times
Are you going by the stock tach? It can be off a large amount at WOT. A computer log that shows where you actually shift would be useful. You need to shift at least 6500rpm actual engine RPM I would think...where did it make peak HP on the dyno? Add several hundred RPMs to that. I doubt it peaks before 6200rpm.
Where are you getting that compression ratio? Stock ls1 is 10:1 and the stock ls6 heads would bump that to around 10.5:1, that is a long way from 11.9:1 (not that it matters as far as your track times)
How is your shifting? Lazy shifting will kill your times
Are you going by the stock tach? It can be off a large amount at WOT. A computer log that shows where you actually shift would be useful. You need to shift at least 6500rpm actual engine RPM I would think...where did it make peak HP on the dyno? Add several hundred RPMs to that. I doubt it peaks before 6200rpm.
Where are you getting that compression ratio? Stock ls1 is 10:1 and the stock ls6 heads would bump that to around 10.5:1, that is a long way from 11.9:1 (not that it matters as far as your track times)
01-02-2014, 10:50 AM
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What does it weigh with you in it? I've seen Trans Ams weigh over 3800lbs with normal sized driver if they don't have weight reduction or maybe have added things like an amp sub
How is your shifting? Lazy shifting will kill your times
Are you going by the stock tach? It can be off a large amount at WOT. A computer log that shows where you actually shift would be useful. You need to shift at least 6500rpm actual engine RPM I would think...where did it make peak HP on the dyno? Add several hundred RPMs to that. I doubt it peaks before 6200rpm.
Where are you getting that compression ratio? Stock ls1 is 10:1 and the stock ls6 heads would bump that to around 10.5:1, that is a long way from 11.9:1 (not that it matters as far as your track times)
How is your shifting? Lazy shifting will kill your times
Are you going by the stock tach? It can be off a large amount at WOT. A computer log that shows where you actually shift would be useful. You need to shift at least 6500rpm actual engine RPM I would think...where did it make peak HP on the dyno? Add several hundred RPMs to that. I doubt it peaks before 6200rpm.
Where are you getting that compression ratio? Stock ls1 is 10:1 and the stock ls6 heads would bump that to around 10.5:1, that is a long way from 11.9:1 (not that it matters as far as your track times)
01-02-2014, 01:17 PM
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