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

LT1 Dyno #s

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Old Jun 22, 2006 | 01:13 PM
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Default LT1 Dyno #s

267RWHP, 302RWTQ

Hooker LTs
Off Road Y
Open Borla
Cold Air
Vigi 3200

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Old Jun 22, 2006 | 01:23 PM
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what type of dyno?
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Old Jun 22, 2006 | 01:31 PM
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damn I would have thought for it to dyno a little bit higher.

where did you have it dynoed? dynojet I am assuming?
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Old Jun 22, 2006 | 01:31 PM
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DynoJet at MTI, no dyno tricks, 92*F

Last edited by BizZzatch350; Jun 22, 2006 at 01:37 PM.
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Old Jun 22, 2006 | 01:34 PM
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Well Neil it is time to slap the heads on and buy my 306 cam and make some power. But hey you do have a clean strong LT1.
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Old Jun 22, 2006 | 01:44 PM
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Who did your tuning?
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Old Jun 22, 2006 | 01:46 PM
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no afr numbers?
just remember its an auto, they dont dyno near as high as 6 speeds.
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Old Jun 22, 2006 | 01:51 PM
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Seems a little low compared to mine that dyno'd with similar mods, no stall.
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Old Jun 22, 2006 | 01:59 PM
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What's the a/f?
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Old Jun 22, 2006 | 02:03 PM
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seems a lil low but remember thats a decent size stall with a stock stall that would prolly be 287...315

your tq shoulda spiked higher than that though...post a pic of the dyno
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Old Jun 22, 2006 | 02:16 PM
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Good point about the stall. Doesnt look very efficiant. is that a 2.2 str btw?
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Old Jun 22, 2006 | 02:47 PM
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yea i would think it would be higher as well. I dynoed 285 through my 3000 stall. 2.1-2.2 str. with similar mods. maybe a bigger t.b.? i have a 52mm. not sure if it made any diff since i never dynoed before it
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Old Jun 22, 2006 | 02:58 PM
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You cant compare yours with his if you had a different converter. Some just arent as efficient as others.
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Old Jun 22, 2006 | 03:51 PM
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thats not to bad! still can beat the civics hahaha
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Old Jun 22, 2006 | 04:24 PM
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sounds like a loose stall, eating up your HP
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Old Jun 22, 2006 | 05:20 PM
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Sorry guys no a/f numbers, I think the str on P.I Vigis is like 2.5, not quite sure. Car still has the stock tune, I drive it up there and they put it on the dyno, was prety hot out and really humid. I'll scan the sheet in

Originally Posted by Tony Shepherd
Who did your tuning?

Tony,
GM, it still has the stock 93 tune, thats all untouched. From what a couple of my buddies were saying the car probably has a lot left just in the tune, if I recalll correctly, you've pulled a good bit over the stock tune, I remember you posting a 95 you did picking up a good bit once it was tuned.



Last edited by BizZzatch350; Jun 22, 2006 at 05:34 PM.
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Old Jun 22, 2006 | 05:38 PM
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Sorry bro...but I honestly wouldnt be THAT dissapointed. You've got a healthy converter on there, and remember its an auto...that sucks HP, and a loose converter will also suck out your HP. You don't have THAT many mods dude. People need to stop stressing about dyno numbers and look at how it runs on the street or track. I had a buddy a few years ago that had an 01 TA with a nice stall, A4 bolt ons, and a cam. It only dynod like 315to the wheels. That sucker would flat out MOVE though. Hit 11's @ around 117mph. Like I said.....dont stress too much over dyno numbers.
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Old Jun 22, 2006 | 05:39 PM
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Yea, its always ET'd what it should, never trapped that great because of the stall, we'll see when I get some drag radials and get a chance to tune the suspension
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Old Jun 22, 2006 | 05:50 PM
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Originally Posted by BRIAN98Z28
Sorry bro...but I honestly wouldnt be THAT dissapointed. You've got a healthy converter on there, and remember its an auto...that sucks HP, and a loose converter will also suck out your HP. You don't have THAT many mods dude. People need to stop stressing about dyno numbers and look at how it runs on the street or track. I had a buddy a few years ago that had an 01 TA with a nice stall, A4 bolt ons, and a cam. It only dynod like 315to the wheels. That sucker would flat out MOVE though. Hit 11's @ around 117mph. Like I said.....dont stress too much over dyno numbers.
Had a "Dyno day" here not long ago, and my friends TH400, 4k stalled, 12 bolt car only put down 330 or something like that, but damn that cars moves 11.7's around 115
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Old Jun 22, 2006 | 05:56 PM
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Neil PM me and if you want that 306 I will give you a friendly deal on it
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