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

Funny story or truth??

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Old 07-27-2007, 12:54 PM
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Default Funny story or truth??

So at this a local car meet a group of kids walk up to my buddys car ('95 z) and ask what he runs. Before he can finish a kid tells us wearing a undercover police T-shirt his cousin has a 95 too that runs 12.9 from the factory. I tell him hes full of crap but he insists that its true and gets a lil pissy with us. Is there any package lt1 that could cut a 12.9 fully stock?

After that he went and raced their buddies mustangs and showed them the back bumper.

Last edited by projekt70chevelle; 07-27-2007 at 01:21 PM.
Old 07-27-2007, 01:05 PM
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GM High-Tech squeezed a 12.9 out of a stock LS1 a while back, but from an LT1 it's almost impossible. On street tires I ran 13.4 at 104 with only a K&N FIPK, all else being stock including the muffler.
Old 07-27-2007, 02:54 PM
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could be the special LT4 SS ,but they only made in 96&97 i think, but i doubt even that could pull under a 13 bone stock.
Old 07-27-2007, 03:12 PM
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My friend swears he cut a 12.6 on a STOCK 95 trans am LT1. He runs an 11.3 now with LE2 heads/cam and LT's on the stock block.
Old 07-27-2007, 03:50 PM
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Originally Posted by InsaneAuto86
My friend swears he cut a 12.6 on a STOCK 95 trans am LT1. He runs an 11.3 now with LE2 heads/cam and LT's on the stock block.

not saying its impossible but that the fastest I ever heard of a stock Lt1 running, then again i must ask what is everyones definition of "stock"
Old 07-27-2007, 03:52 PM
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I saw magazine car a while back that was doing 12's with factory motor. It was completely gutted though.
Old 07-27-2007, 04:18 PM
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No this was a fully STOCK (full weight) 1995 T/A m6 Lt1 running 12.6.... or so he says...
Old 07-27-2007, 04:32 PM
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Originally Posted by InsaneAuto86
No this was a fully STOCK (full weight) 1995 T/A m6 Lt1 running 12.6.... or so he says...
I have a hard time buying that
Old 07-27-2007, 04:58 PM
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Originally Posted by wan2run
GM High-Tech squeezed a 12.9 out of a stock LS1 a while back, but from an LT1 it's almost impossible. On street tires I ran 13.4 at 104 with only a K&N FIPK, all else being stock including the muffler.

where did u run this at and what 60' are u gettin cuz that is damn impressive for just a cai
Old 07-27-2007, 06:14 PM
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Sounds like the kid in Alabama who hangs around with a nephew up there. He owns an Eclipse turbo and swears he's runnin 11.90's in the 1/4 (pushin 370hp), but can't show me any timeslips.

I told him next time we're up there, he has to save up $200 and we're going to the track, heads up against my bone stock Formy (he went rather quiet after that!!).

Sara Lou
Old 07-27-2007, 08:03 PM
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Sounds like some fiction to me... I agree with the comment about everyone having a different definition of what stock is. Weight would get him there but, goddamn!!! You'd have to like gut everything and even turn the frame into a block of cheese with a hole saw... I just played with a 1/4 mile calculater and I used a RWHP of 280... It didn't dip below 13.0 until I got down to 3100lbs.

Now assuming the kid only weighs 140-150, that puts the vehicle weight at like 2950! That would mean chopping like 400-500lbs I'm guessing!!! oh well.... just having fun thinking about it.
Old 07-27-2007, 08:38 PM
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I agree, I dont believe it either!
Old 07-28-2007, 10:15 AM
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No - I dont believe that!
Old 07-28-2007, 10:24 AM
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Local guy here only had some Mickey Thompsons and intake and msd ignition box and ran 12.9 on a stock 95 z
Old 07-28-2007, 10:52 AM
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everything is "stock" now a days.
but if its truly stock with all the restriction, a true street tire and a true stock exhaust with a M6 it anit gonna happen any LT1 guy knows that.
Old 07-28-2007, 11:32 AM
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"Stock" is now a very opinionated description. Maybe he considers geared, gutted, and on slicks/skinnies stock Some will argue that it is.

Also, if he doesnt know any better he could have mixed up years and its an LS1 on drag radials. In the right conditions that can hit 12.9. We all can tell instantly, but the general public may not be able to even differentiate an LT1 from an LS1 camaro. Most I got out of my LT1 when it was "stock" was 13.9 in florida DA! It wasnt even bone stock factory - it had an ebay short ram intake, cat deleted(pipe), and flowbastard muffler welded onto the stock exhaust from the last owner. Not sure if that garbage helped or hurt, but it was all removed ASAP.

At least it sounded pretty nice
Old 07-28-2007, 11:40 AM
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Originally Posted by Puck
Most I got out of my LT1 when it was "stock" was 13.9 in florida DA! It wasnt even bone stock factory - it had an ebay short ram intake, cat deleted(pipe), and flowbastard muffler welded onto the stock exhaust from the last owner. Not sure if that garbage helped or hurt, but it was all removed ASAP.

At least it sounded pretty nice
we've all been there.
exhaust, cut out, custom cold air intake from Ace
pulling 14.1 on street tires.



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