SWAPPING ENGINES
Senior Member

Joined: May 2006
Posts: 583
Likes: 69
From: Pittsburgh, PA
Car: 91 Formula
Engine: 2012 LS9
Transmission: 4L80E
Axle/Gears: Strange 60 3.54:1
Re: SWAPPING ENGINES
They put 403 Olds motors in many late 70's Firebirds. That's all you need, the 455 has the same bottom end dimensions..
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