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

LS1 into a LT1 car

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Old Sep 18, 2006 | 09:55 AM
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Default LS1 into a LT1 car

Is anyone familiar with, or have done, or have heard of, a LS1 swap into a LT1 car? I know the k-member between the two are different as far as engine mounting but would it go to the car the same? Could I reuse the same T-56? I have considered doing it to my '94 Z28 but wouldn't even know where to begin researching it. I'm not ignorant to the fact of cooling and wiring. Just really don't hear much about that type of swap. Any suggestions, tips, advice, or other related threads?????
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Old Sep 18, 2006 | 10:00 AM
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would an ls2 stroker work in an lt1 car?
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Old Sep 18, 2006 | 10:06 AM
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Also the input shaft is longer on an LS1 T56, also has a hydrolic throw-out bearing. The clutches are cheaper for an LS1 than the LT1

It's been done. A friend of mine did it
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Old Sep 18, 2006 | 10:17 AM
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It's been done. There are a LOT of little things that change as well as the more obvious big ones.


In all honesty, unless you already own a wrecked LS as a donor, have a LOT of experience in all the systems of both cars, and lots of time and money to dedicate to the project, it doesn't make sense.

Sell the LT, buy an LS. Seriously, this is by far a better route.
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Old Sep 18, 2006 | 10:51 AM
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Originally Posted by Boodyrider
It's been done. There are a LOT of little things that change as well as the more obvious big ones.

Sell the LT, buy an LS. Seriously, this is by far a better route.


98 Z28's can be had for under 7500
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Old Sep 18, 2006 | 10:59 AM
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A thread like this is posted at least once a week. If I had a dollar for every one of these threads posted I'd own a C6 Zo6.
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Old Sep 18, 2006 | 08:35 PM
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Well if we all had imaginary dollars for repeated things we would all be rich. I know LS cars can be purchased cheap nowadays but im partial to my Z. LOL. I'm trying to get a C5 as well, so this was just a thought for a project. The market is dissolving for LT1's if you wanna even say it was ever there. LS series parts are everywhere and seem to have more bang for the buck. I deleted my A/C and heating from the pumps to the vents in thier entirety so i thought it would make this swap that much easier. thanks for the tips and i would be more than happy to read some more.
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Old Sep 19, 2006 | 12:57 AM
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I'm not a huge fan of the C5 bodystyle but that's a route I'd entertain.
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Old Sep 19, 2006 | 01:02 AM
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Originally Posted by Big_Z_racing
Well if we all had imaginary dollars for repeated things we would all be rich. I know LS cars can be purchased cheap nowadays but im partial to my Z. LOL. I'm trying to get a C5 as well, so this was just a thought for a project. The market is dissolving for LT1's if you wanna even say it was ever there. LS series parts are everywhere and seem to have more bang for the buck. I deleted my A/C and heating from the pumps to the vents in thier entirety so i thought it would make this swap that much easier. thanks for the tips and i would be more than happy to read some more.

Ok fine. Go over to EFA, PM MeanGreen Z28 (Tuan) or GrannySShifting (Jeff). Both of them have done it. Or call either of the Baltimore area F-Body shops, one guy works at one and the other owns the other shop.

Or PM me if you want more info about where/what EFA is, since none of these folks are sponsors here.
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Old Sep 19, 2006 | 01:22 AM
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i've done it. i have a 96' ls1 FIREBIRD. let me know if you need any info.
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Old Sep 19, 2006 | 09:16 AM
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i have actually been considering this somewhat ..... it actually wouldnt be that bad i dont think.... but then agian ive already done motor pulls and installs and tranny swaps and conversions and plenty of wiring work by myself so it prolly wouldnt be to bad
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