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.

I need your advice

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Old Oct 29, 2006 | 08:04 PM
  #1  
84Blue'Bird's Avatar
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Joined: Aug 2006
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From: Winnipeg, MB
Car: 1984 Pontiac Firebird
Engine: 2.8L, Carburated V6
Transmission: 200C
I need your advice

Hi I'm new on these forums and i just bought '84 Pontiac Firebird with a 2.8L V6. I know that the 2.8 is a slow engine and i am considering an engine swap. Now a friend offered a completely rebuilt 3.8 off a 1980 Chevy Malibu Wagon for a 250 dollars and it's got 40 000Km on it. He said he would throw in the tranny for free to. He kept the engine because he said it ran great. The problem is is that he only has the engine and tranny left, he ditched the body of the wagon a while ago so i wouldnt be able to get motor mounts or anything like that off it. So my question is:

1) Would this swap be worthwhile and if so what all would i need.

2) If this isnt a good swap then what would you suggest for another V6 swap?

I'd greatly appreciate your oppinnion. thx
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Old Oct 30, 2006 | 02:14 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
It isn't a very good swap. You can get mounts since the turbo TA was a Buick 3800. The transmission wouldn't be as simple.

A better swap would be a 3.4l, which is a 60 degree V6 like the 2.8. There's more info about it on the V6 forum.
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Old Oct 30, 2006 | 05:49 PM
  #3  
ATOMIC's Avatar
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From: Wilmington NC
Car: 88 gta (black/black wheels)
Engine: 350tpi
Transmission: 700r
Axle/Gears: 3.27 posi
Originally Posted by five7kid
It isn't a very good swap. You can get mounts since the turbo TA was a Buick 3800. The transmission wouldn't be as simple.

A better swap would be a 3.4l, which is a 60 degree V6 like the 2.8. There's more info about it on the V6 forum.

right.
and the 3.8, whether buick or chevy, have less hp than your 2.8,
they also weigh nearly as much as a 350.
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