Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

V6-V8 swap ...What u think?

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Old Mar 12, 2003 | 07:42 PM
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firebird13's Avatar
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From: Indianapolis Indiana
V6-V8 swap ...What u think?

Ok guys and girls, I got an 87 Pontiac Firebird..2.8. mpfi. I am thinking this summer that ill go buy a junk firebird or camaro about same year. One that has like damage to the back or somthing and make sure its a 350 tpi. and take the engine out of it and every thing i need for swap. springs. wires. tranny. engine. drive train and swap that into my car..then when i take off my old ill put it in that car and just sail that car again that way pay for a little of it.. what u think and how hard would this be?? any thing wuold help me out alot thanks

adam
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Old Mar 13, 2003 | 12:35 PM
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From: Indianapolis Indiana
Come on guys, help me out here and give me advice!!
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Old Mar 13, 2003 | 12:44 PM
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Well, the idea is there, good luck finding a complete L98 camaro.
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Old Mar 13, 2003 | 01:45 PM
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
You're proposing the right way to go about a V6->V8 swap. Put the two next to each other in the garage, open the hoods, start taking pictures. Label EVERYTHING from both cars as you disconnect, don't cut anything. Take more pictures as you go. As a part comes off the V6 car, put it in the back of the V8 car and vice versa. Then, start putting the V8 stuff into the V6 car.

A couple of challenges will be:
Front engine mounts. Getting to those nuts inside the crossmember is a challenge.
Front springs. If you remove the a-arm from the crossmember, you can get to the engine mount nuts at the same time. Only problem is you can't just jack the a-arm up, because the weight of the engine won't be there, and the body itself isn't heavy enough to compress the springs.
An alternative is to remove the entire front crossmember - that'll get you the mounts and springs at the same time. I didn't do that, wish I would have.

Don't forget the engine harnesses, ECM, tach, and tranny are all different between V6 & V8. The harness can basically be removed as one piece.
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Old Mar 13, 2003 | 03:05 PM
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From: Indianapolis Indiana
Thanks guys, anybody els got any info that would help me out?
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