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

LT1 to Lt4

Old Aug 22, 2006 | 03:24 PM
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Default LT1 to Lt4

Is there a kit or what mods would I need to do to mod my LT1 to an lt4
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Old Aug 22, 2006 | 03:28 PM
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heads, intake, cam, timing set, 1.6rr and valvesprings...
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Old Aug 22, 2006 | 03:53 PM
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The money youll spend for what you get wont be worth it in the end. You would be better off spending that money on some ported castings, nicely matched cam, etc.
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Old Aug 22, 2006 | 04:41 PM
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ya summit told me the same thing for all the stuff to convert its close to $2000....
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Old Aug 22, 2006 | 04:42 PM
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Cant even get the intake from Summit anymore and Id be surprisedif they still had the heads.
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Old Aug 22, 2006 | 04:47 PM
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The intakes are going for over $800 on ebay these days, def. not worth doing a change over to LT4.
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Old Aug 22, 2006 | 05:42 PM
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they still have the heads for like 900-1200!!!
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Old Aug 22, 2006 | 07:33 PM
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k- cool any mods I can do to get more out of my engine. Im looking for more horse power to the wheels
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Old Aug 22, 2006 | 07:34 PM
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I was thinking of under pulley what do you think and type would be good with a stock tranny.
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Old Aug 22, 2006 | 07:44 PM
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Originally Posted by Evolz28
I was thinking of under pulley what do you think and type would be good with a stock tranny.
There are better things to spend your money on than pullies. Get a good catback and headers first. Get the car to breath.
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Old Aug 22, 2006 | 07:59 PM
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Originally Posted by UA-Plumber
There are better things to spend your money on than pullies. Get a good catback and headers first. Get the car to breath.
Here's a good list to start with:


1. Splitfire spark plugs
2. The Tornado
3. The turbonator
4. Air foil for throttle body
5. Smaller width rear tires with aluminum lug nuts
6 Remove headlight
7. STS turbo
8. Racing stickers
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Old Aug 22, 2006 | 08:06 PM
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yea you put all that money into it and you'll only make about 330 to the wheels....or with that money...you can make way more HP.....

id say dont do it...Go with a other Setup
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Old Aug 22, 2006 | 09:25 PM
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I would also say that the mod list starts with getting the car to breath better with a cold air induction system plus a less restrictive exhaust system... a basic tune up wouldn't hurt...
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Old Aug 24, 2006 | 12:12 PM
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Thanks I got the K&N Cold Air already made a big diffrence I thought about the turbonator but i didn't know if it actually works or not. I believ thats the one that goes in the intake sleeve right. Its like 35 bucks or something?
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Old Aug 24, 2006 | 12:15 PM
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The only thing on an LT4 thats really worth paying money for is the 4-bolt main block. You can get better performing everything else for as much or just a little more.
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Old Aug 24, 2006 | 03:25 PM
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what is an air foil
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Old Aug 25, 2006 | 09:56 AM
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Not to be capt. obvious but I think they were pulling your chain!! That tornado ive seen for $70. Dont waste your money. Youre already ahead of stock with the CAI. THe airfoil is a thing that sits inbetween that lil gap in your throttle body. It supposed to smooth out the air going into the TB. You can find em for $20 or so. Easy install and better buying that than craponator.
Oh Dont forget about NOS stickers,flames and no fear on your front windshield. THose alone will give you AT LEAST 100rwhp..... lol
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Old Aug 25, 2006 | 12:44 PM
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Originally Posted by Built LT1
Here's a good list to start with:


1. Splitfire spark plugs
2. The Tornado
3. The turbonator
4. Air foil for throttle body
5. Smaller width rear tires with aluminum lug nuts
6 Remove headlight
7. STS turbo
8. Racing stickers
That's a pretty stout setup you've got there..
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