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.

Couple swaps

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Old 04-18-2010 | 01:05 AM
  #1  
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Couple swaps

So i figured you guys might be interested to see a couple swaps go together. One is my 1984 Corvette( i know its not a third gen but its still an LT1) getting an LT1/T-56 swap and the other is my friends 1987 Firebird Formula getting an LT1/T-56 as well. Right now me and my friend are tearing the engines down and replacing components and installing the cam/heads/ etc. This is how they sit at the moment. There is actaully one more LT1 sitting off to the right on a stand(can't see it) but that one ended up having a spun main bearing. So instead of dealing with the added problems it could have or did create we just found another LT1 for cheap. (another project block for down the road.)

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I'll keep you guys informed on the progress as it unfolds.
Old 04-18-2010 | 11:20 AM
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From: Leicester,Ma.
Car: 1988 TA
Engine: TPI 350
Transmission: auto
Axle/Gears: 3.27's
Re: Couple swaps

sick ill be checking back!
Old 04-19-2010 | 01:07 AM
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

Thanks man.
Old 04-19-2010 | 05:57 PM
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5-0 Blackbird's Avatar
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From: Phelps, NY
Car: 87 Firebird Formula, 97' GMC Sierra
Engine: LT1, 4.3 Vortec
Transmission: T-56, 4L60E
Axle/Gears: 4.10 Posi, 3.42 Posi
Re: Couple swaps

They look a lot better now, lol. Now we just gotta finish assembly.
Old 04-19-2010 | 06:12 PM
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
I'm sure glad you had pictures so that we knew this was about a "couple" of "engine" swaps. . .
Old 06-05-2010 | 02:24 PM
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

Picking up the thread again.
Old 06-05-2010 | 02:24 PM
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

My friends engine after getting the cam,lifters, and new timing chain on.

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Old 06-05-2010 | 02:26 PM
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

Both of our engines, his now having the timing cover on and mine getting the bottom end finished then the cam will go in.

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Old 06-05-2010 | 02:31 PM
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

He's got his heads on now. Intake and valve covers are just sitting on the motor.

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Old 06-05-2010 | 02:32 PM
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

As my engine stands now, Got my heads on, intake is sitting on the motor, roller rockers on, beehive springs, cam is in, optispark is on w/ MSD cap+rotor. She's coming right along.

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Old 06-06-2010 | 10:32 PM
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

Here she is with the new vacuum fittings on the intake, the throttle body on, intake bolted on, valve lash set, accessory bracket on roughly, harmonic balancer on, egr block off plates on. etc.

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Old 06-12-2010 | 01:32 AM
  #12  
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

Some more pics of the engine going into the car.
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And again its not a third gen but I figure some ppl would like to know how its going.
Old 09-19-2010 | 02:40 AM
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

Ok another update.
Engine is in the Vette and the wiring is going in.
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Also i had a custom emblem made by EmblemPros.com. I am very pleased with it. Its brushed stainless steel surround with the red and black colored lettering. Gotta let everyone know what you have under the hood!. Especially if its the "underdog" LT1.

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My friend might be getting a similar one. We both like the idea of having LTX somewhere on the exterior of the car.
Old 09-19-2010 | 02:41 AM
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Joined: Nov 2006
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

Pics will be going up soon of the pedals going into the Firebird.
Old 09-23-2010 | 09:13 PM
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From: Alamogordo, NM
Car: 88 Formula 350
Engine: 5.7
Transmission: T-56
Axle/Gears: 9" 3.89
Re: Couple swaps

Looks good. How complicated is the swap in the vette concering wiring and such? And lets see some pictures of the Firebird!
Old 09-23-2010 | 11:27 PM
  #16  
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Joined: Nov 2006
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

Here are a couple pictures of the Firebird the LT is going in. Little rough right now but it will be getting a paint job this winter/spring. Also this Firebird is in very SOLID shape! There is no rust on the body/under-body at all. Basically the perfect project car platform.
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The T-56 that will be going in this bird...
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Old 09-23-2010 | 11:35 PM
  #17  
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Couple swaps

Originally Posted by Bullydawg
Looks good. How complicated is the swap in the vette concering wiring and such? And lets see some pictures of the Firebird!
Swapping into the Vette has been surprisingly easy so far. I bought a standalone harness and i'm going to rewire for all my gauges. (I'm doing the digital to analog gauge conversion) Basically is just a lot of little things. I even though converting to a manual and hanging the pedals would be close to impossible but it wasn't really that bad. It was a lot harder than the Camaro swap was but all in all it wasn't too bad. I'm going to run he factory wiring harness with the engine management wiring cut out. I'll wire the body harness for power and ground so all the interior stuff works. Then i'll convert wires from the standalone harness like the fuel pump lead, etc. so that they work with the original harness. I'm sure i'll still run into wiring problems but i'm sure it won't be anything I can't fix.
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