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.

GM Crate 350 HO into '84 'bird V6

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Old Apr 26, 2004 | 09:07 AM
  #1  
JCherwien's Avatar
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From: Fairfax, MN
Car: 1984 Autoform Firebird
Engine: 2.8l V6
Transmission: Auto
GM Crate 350 HO into '84 'bird V6

Greetings,
I read the FAQ at the top about swapping a V8 in for a V6, and have a couple questions...

As for the wiring harness, I'm looking at getting the 350 HO deluxe crate engine, so what kind of engine harness would I have to get for that? Would it work to get one out of a later model V8 'bird or maro? The V6 is of the carb'd variety, fyi. Also, any guess as to what else I'm looking at needing to get for the swap? I was assuming exhaust, radiator, most accessories, motor mounts (obviously) and a new tranny...Leaning towards a t-56 (Another question I guess, would this bolt right to the crate engine?)...I plan on having someone else put the engine in, but I figure it'd be best if I had pretty much everything they needed before hand...

Thanks a bunch guys!
Miah
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Old Apr 26, 2004 | 12:41 PM
  #2  
five7kid's Avatar
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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
A carb'd V8 harness would be the easiest. Carb'd V6 next. Since you're getting the HO Deluxe, I assume you aren't going to worry about computer stuff.

Don't forget throttle cable and tachometer. A factory V8 car would be the best source for all of this. Either buy a whole car, or find one in the boneyard that you can strip of all you need.

A T56 that bolts to an LT1 would bolt to the HO.

This is usually hobbiest-type work. I hope you have found someone who has done this type of work before, and is doing it as much as a favor as for business.
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