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HCI Ls1 TA vs Big cam Lt1 Formula

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Old 02-20-2013, 10:34 AM
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Default HCI Ls1 TA vs Big cam Lt1 Formula
Local forum guy recently made some additions to his Lt1 car and has been wanting a run with me, he figured on losing but wanted to try because he hung with another H/C Ls1 car and wanted to see how he would do.

LT1, Big cam, Gears, stall, Bolt ons, NT05R, weight reduction.
LS1, AI heads, mild cam, fast 90, stall and some minor weight reduction on a Hoosier Drag radial

He asked for the hit so I let him have it both runs.
20-110

Dig-100ish
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Old 02-20-2013, 10:38 AM
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Nice runs, knew the lt1 was in trouble with the mods on the ls1.

Says big cam for the lt1, stock or ported heads?
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Old 02-20-2013, 10:52 AM
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Originally Posted by ZFreie
Nice runs, knew the lt1 was in trouble with the mods on the ls1.

Says big cam for the lt1, stock or ported heads?
Stock heads, ported manifold I believe. I knew the turn out but it was fun anyways and hes a cool guy.
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Old 02-20-2013, 11:03 AM
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Originally Posted by crazyelf
Stock heads, ported manifold I believe. I knew the turn out but it was fun anyways and hes a cool guy.
Hes giving up quite a bit with out the heads being ported. Know if he has any plans to get them ported?

Race would be much closer but I think the ls1 would still take it given how bad you pulled him.
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Old 02-20-2013, 11:07 AM
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LT1 needs some ported heads!! Even some ported stockers would help him out a bit. Although if he's not running too high of lift he should be alright, do you know the specs of the cam?
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Old 02-20-2013, 11:43 AM
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both cars sound awesome
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Old 02-20-2013, 12:03 PM
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Originally Posted by 92Vette
LT1 needs some ported heads!! Even some ported stockers would help him out a bit. Although if he's not running too high of lift he should be alright, do you know the specs of the cam?
Upper 230 duration and around 590 lift
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Old 02-20-2013, 12:43 PM
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certainly what I expected. good runs. looks like he'd be a better run for a bolt on ls1 car.
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Old 02-20-2013, 02:09 PM
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Nice cars, good runs.
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Old 02-20-2013, 02:54 PM
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Originally Posted by crazyelf
Upper 230 duration and around 590 lift
Yup he would benefit greatly from ported stock heads, I don't think LT1 heads flow very well past .550 lift
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Old 02-20-2013, 02:56 PM
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+1 for ported heads on the LT1 and a re-match
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Old 02-20-2013, 03:04 PM
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Ported heads will help him, but it won't save him from another ride on the rape train
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Old 02-20-2013, 04:11 PM
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Originally Posted by crazyelf
Ported heads will help him, but it won't save him from another ride on the rape train
LMAO This.
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Old 02-20-2013, 04:19 PM
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That was actually pretty bad
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Old 02-20-2013, 04:19 PM
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heads wont help him in that race. but ya the lt1 is loosing a good amount of power not having heads done.
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Old 02-21-2013, 03:24 AM
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Any idea what power your putting down OP?
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Old 02-21-2013, 05:31 AM
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Originally Posted by MasterTomos
Any idea what power your putting down OP?
Considering his mods in sig and the vid, he's probably putting down 420-430whp.
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Old 02-21-2013, 10:48 AM
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Correct 428whp shutting down at 6.2k rpm on the dyno so maybe a few more ponies left.
More importantly than the dyno, my car is a consistent 11.0@123 car in mediocre DA
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Old 02-21-2013, 01:09 PM
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His car launches good, but not enough to stay up in speed.
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Old 02-21-2013, 01:54 PM
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Originally Posted by crazyelf
Correct 428whp shutting down at 6.2k rpm on the dyno so maybe a few more ponies left.
More importantly than the dyno, my car is a consistent 11.0@123 car in mediocre DA
Bro, what's wrong with your car? You should be trapping 135 at that power level.


Mediocre at best.
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