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

Cam only LT1 makes 396 HP, record?

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Old 05-18-2009, 08:04 PM
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Originally Posted by 97blkz
OK I cruised thru 18 ******* pages of the dyno archive and found 3 yes frigging three cars making over 400 hp that "appear" to be stock CI lt1's making over 400 with heads and cam. Oddly enough the 383's and 396's where making from 380 hp to 450 (non solid roller).


Look at the heads there running,the cam sizes, and the compression.............

That tells your story right there, poor setups
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Old 05-18-2009, 08:05 PM
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thunder racing 230/236 510-520 112. + 1.6 rockers. base tune
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Old 05-18-2009, 08:05 PM
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18 pages of idiots/guys that got screwed by shops!
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Old 05-18-2009, 08:05 PM
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Originally Posted by slick1851
The reason why you dont see alot of nice number head n cam cars is this reason for LT1s

Moron LT1 owners like stroker motors with either BIG cams or some small junk ones with STOCK UNPORTED HEADS!

They also like to build low compression motors, yet put big cams in them "even the honda guys know better than that"


Spending money on oh so cool LT4 stuff becasue they think its best **** money can buy.


They buy trick flow heads and put them on stock bottom end motors.....


Some were along the lines mail order tunes became better than a real dyno tune for your car.

Buying cheap stalls for a auto to save a extra buck

MSD opti sparks and hytech power programers are what the cool kids on the block have.


And agian stroker motors with **** heads that make TPIs look like topend monsters.......





SPEND THE MONEY ON A REAL QAULITY HEAD N CAM PACKAGE!

I concur, an LT1 CAN make great power with the right parts combo. I felt I made a few mistakes on my car when I did it last time. It runs a decent number but it could be better. But hundreds of 400hp H&C lt1's??????
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Old 05-18-2009, 08:07 PM
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Originally Posted by slick1851
Look at the heads there running,the cam sizes, and the compression.............

That tells your story right there, poor setups
do you have an LT1 and what's it run ? And dyno I guess even so dynos are ghey!
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Old 05-18-2009, 08:08 PM
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Originally Posted by 97blkz
So since I ran a 10.42 on a 125 shot if I bump it to 200 I'll run 9.9x?
nope. it means if you run 9.50s and put on a 75 shot, you will run 8.99s. its just that easy.

or maybe that was an exageration too!

LOL!
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Old 05-18-2009, 08:10 PM
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Originally Posted by 97blkz
I concur, an LT1 CAN make great power with the right parts combo. I felt I made a few mistakes on my car when I did it last time. It runs a decent number but it could be better. But hundreds of 400hp H&C lt1's??????
Look at the people running A.I. heads or LE2 stuff, good heads make power along with the proper cams.

Almost all the guys running those combos are at or over 400whp


Alot of people dont know this but thunder racing makes a couple nice LT1 grinds.



This should be a lession to all, if speed incs caddy cam can make over 320whp with a BONE STOCK CAR WITH CATS! That means you all need to re think your setups and who your buying your parts from.
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Old 05-18-2009, 08:11 PM
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Originally Posted by 97blkz
do you have an LT1 and what's it run ? And dyno I guess even so dynos are ghey!
You have a 396 LT4 runing 13s ask your self who you should be qeustioning.
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Old 05-18-2009, 08:11 PM
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Originally Posted by Chris Gage
Has the 3 cars mentioned been on the dyno with the shot, if so what type of difference is seen in hp? I would guess well more then 75 due to the amount of air being pushed into the motor. Also, how is the nitrous set-up, through the turbo, into the motor directly or through the intake itself? I know this is pretty far off topic but I think that is where this thread is doomed to be anyways so I would liek to atleast gain some sort of knowledge from it.... Sorry Phil.
It's a Nitrous Xpress N-Tercooler Sprayer kit. It uses a spray bar to spray nitrous directly on top of the intercooler fins. I have not dyno'd the car on the bottle, let alone made even one track pass on it. I have however played with it momentarily on the street, and i'll tell you one thing it feels like it spools much faster. My tuner Keith @ Force Fed Performance is going to put it on the dyno and do some adjustments to accommodate the spray.
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Old 05-18-2009, 08:14 PM
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Originally Posted by gator's 99TA
18 pages of idiots/guys that got screwed by shops!
Exaclty!
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Old 05-18-2009, 08:17 PM
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Originally Posted by gator's 99TA
nope. it means if you run 9.50s and put on a 75 shot, you will run 8.99s. its just that easy.

or maybe that was an exageration too!

LOL!
Dont rule out a second stage
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Old 05-18-2009, 08:19 PM
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Originally Posted by slick1851
You have a 396 LT4 runing 13s ask your self who you should be qeustioning.

I am slow what can I say? Teach me the way!!! I was not asking to bag on you, I was curious to see what you had!
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Old 05-18-2009, 08:19 PM
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Originally Posted by slick1851
You have a 396 LT4 runing 13s ask your self who you should be qeustioning.
Probably not his combo. Probably just can't drive worth a crap?
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Old 05-18-2009, 08:20 PM
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what h/c should i put on my stock bottom end auto lt1? i want it to be epic!

what a great thread
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Old 05-18-2009, 08:20 PM
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Originally Posted by gator's 99TA
nope. it means if you run 9.50s and put on a 75 shot, you will run 8.99s. its just that easy.

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Old 05-18-2009, 08:20 PM
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Originally Posted by slick1851
You have a 396 LT4 runing 13s ask your self who you should be qeustioning.
lol, dude. the sig is a joke.
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Old 05-18-2009, 08:21 PM
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Originally Posted by ARCTIC '00
It's a Nitrous Xpress N-Tercooler Sprayer kit. It uses a spray bar to spray nitrous directly on top of the intercooler fins. I have not dyno'd the car on the bottle, let alone made even one track pass on it. I have however played with it momentarily on the street, and i'll tell you one thing it feels like it spools much faster. My tuner Keith @ Force Fed Performance is going to put it on the dyno and do some adjustments to accommodate the spray.
Oh ok, I was thinking you were spraying into the motor since you said 75 ****, I thought spray bars just sprayed nitrous openly onto intercoolers thus not having a specific "shot".
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Old 05-18-2009, 08:24 PM
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Originally Posted by ARCTIC '00
Probably not his combo. Probably just can't drive worth a crap?
what does your 10 second ls1 car 60'? probably pretty nasty?
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Old 05-18-2009, 08:26 PM
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idk if its possible to hit those numbers cam only on an LT1. I know my car with a 75shot of nitrous build enough power to smoke a Spec stage 2 clutch. I have the CC501 with crane 1.6rr's Stock heads and intake, stock injectors, fuel pressure regulator, NGK tr55 plugs, underdrive pullies, mid length hedders, Spec stage 2 clutch, 75 shot, 255lph fuel pump and a detroit tru track third member with stock 3.42 gears. Car went 12.2xx@114.5. it is still running the stock tune and i never got to dyno it b4 the clutch went out. the clutch was 6 months old. On my stock motor with a 52mm tb, underdrive pullies, and headers i threw 305 Hp and 326FLb with my ignition going out on the dyno.

You can see the mods list on my sig. the Nitrous was a 75 instead of 100.
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Old 05-18-2009, 08:26 PM
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Originally Posted by Chris Gage
Oh ok, I was thinking you were spraying into the motor since you said 75 ****, I thought spray bars just sprayed nitrous openly onto intercoolers thus not having a specific "shot".
Aha, you know your stuff don't you. Actually they don't have a specific shot, nor did the kit even come with jets. They are known to typically add around 50-75hp on most applications. So I dub it a "75-shot".
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