Buick 455 Swap?
Senior Member
Joined: Jun 2007
Posts: 600
Likes: 0
From: Akron, Ohio
Car: 87 Suburban 2500
Engine: 455 Wildcat ( somewhat modified ))
Transmission: TH400 ( for now )
Axle/Gears: 4.10 ( for now )
Re: Buick 455 Swap?
PLAN PLAN PLAN PLAN !!!
Will your tranny bolt up ? Flex plate ?
Motor mounts.
MEASURE !! Fan shrouds, and such. Exhaust and routing.
Acessory mounts, like power steering, air conditioning, alternator.....
You planning carb, or EFI ? ( mine is EFI )
Will your tranny bolt up ? Flex plate ?
Motor mounts.
MEASURE !! Fan shrouds, and such. Exhaust and routing.
Acessory mounts, like power steering, air conditioning, alternator.....
You planning carb, or EFI ? ( mine is EFI )
Joined: Jul 2003
Posts: 10,538
Likes: 206
From: NYC / Jersey
Car: 1990 Trans Am GTA
Engine: Turbo 305 w/MS2
Transmission: 700R4
Re: Buick 455 Swap?
Matt, try reaching out to these guys, as they did the swap, and could definitely help you out. Don't remember the UserID for this board, but you could contact him through you-tube. Click Here.... 
Originally Posted by thirdgenmatt
I want to put a 1974 buick 455 engine in my 1982 fire chicken. I need all the information I can get! Has anyone heard of this being done? If So, what needs to be done?
Junior Member
Joined: Aug 2006
Posts: 9
Likes: 0
Re: Buick 455 Swap?
It has been done before. I remember seeing a trans am in hot rod a few years ago that had a 455 buick in it and it looked stock. the one thing i remember that stood out in the story was that stock manifolds were the only way to get an exhaust on the car.
Joined: Mar 2000
Posts: 43,187
Likes: 46
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
I saw one at the track a few years ago. The thing was pitifully slow.
Joined: Sep 2004
Posts: 2,777
Likes: 7
From: Casselberry, FLA
Car: 88 V6 'bird/89TBI bird/85 T/A
Engine: 2.8/TBI/TPI
Transmission: V8 T-5/700R4 x2
Axle/Gears: 3.42 open/2.73 open/ 3.27 9 bolt
Re: Buick 455 Swap?
Search "Magilla" on this forum. You will see the 87 T/A that runs 11's with a mild 455 Buick...
AND THEN DO IT!!!!!!!!!!!!!!!!!
AND THEN DO IT!!!!!!!!!!!!!!!!!
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Hello, Michael
Engine Swap
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Aug 20, 2015 03:19 PM
