LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

looking to lt1 swap, will this work?

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Old 08-07-2011, 08:25 AM
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Car: 87 Trans Am
Engine: 350 carb'd
Transmission: 700R4
Axle/Gears: Stock
looking to lt1 swap, will this work?

Hey thirdgen, I'm working on an lt1 swap and I was wondering, would an lt1 from a 95 police interceptor caprice work just like the ones from the newer camaro and birds? Or would It need heavy modifications? The caprice is a lot easier to come by and all the camaro and firebirds are over priced around here. I'd like as much info as I can get about these swaps. I've read all the ltx swap threads but I'm sure some of you have some tips and tricks you've been keepin to yourselves.

Thanks guys,
Yours truly

Last edited by Matt1821; 08-07-2011 at 08:36 AM.
Old 08-07-2011, 08:35 AM
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Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: looking to lt1 swap, will this work?

pretty much the same motor but with iron heads
Old 08-07-2011, 09:06 AM
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Car: 1989 Trans Am GTA
Engine: LT1, AFR 195cc, 231/239 LE cam.
Transmission: M28 T56
Axle/Gears: 3.23 10bolt waiting to explode.
Re: looking to lt1 swap, will this work?

Originally Posted by Matt1821
Hey thirdgen, I'm working on an lt1 swap and I was wondering, would an lt1 from a 95 police interceptor caprice work just like the ones from the newer camaro and birds? Or would It need heavy modifications? The caprice is a lot easier to come by and all the camaro and firebirds are over priced around here. I'd like as much info as I can get about these swaps. I've read all the ltx swap threads but I'm sure some of you have some tips and tricks you've been keepin to yourselves.

Thanks guys,
Yours truly
<----- B-Body LT1 out of a 95 Road Master.

CAI, Tune, Headers, exhaust.

13.35 @ 102.8mph.
http://www.youtube.com/watch?v=DGWUsr4XU1c
Old 08-07-2011, 09:06 PM
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Car: 87 Trans Am
Engine: 350 carb'd
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Axle/Gears: Stock
Re: looking to lt1 swap, will this work?

So it will all fit with little to no modification? I don't have the equipment or the tools to do big fabrication mods to my car.
Old 08-07-2011, 09:09 PM
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Car: 1989 Trans Am GTA
Engine: LT1, AFR 195cc, 231/239 LE cam.
Transmission: M28 T56
Axle/Gears: 3.23 10bolt waiting to explode.
Re: looking to lt1 swap, will this work?

Originally Posted by Matt1821
So it will all fit with little to no modification? I don't have the equipment or the tools to do big fabrication mods to my car.
they only mod you'll have to do to make it fit is to notch the K-member to make room for the 4th gen AC compressor if you are going with 4th gen accessories, or B-body accessories. Vette accessories won't need the notch.

You are putting a non factory engine into your car. There WILL be adjustments made. Yes, the LT1's dimentions are the same as a SBC, so as far as motor mount and such it'll bolt right in.

But you'll need to make a Power steering reservoir mount.

Last edited by Thirdgen89GTA; 08-07-2011 at 09:15 PM.
Old 08-11-2011, 02:17 AM
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Car: 87 Trans Am
Engine: 350 carb'd
Transmission: 700R4
Axle/Gears: Stock
Re: looking to lt1 swap, will this work?

Awesome, thanks for the help. Actually a friend of mine is gonna cut me deal on his 4th gen trans am, it got t-boned so he's gonna sell it to me for $800. Not bad right?
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