Quote:
Originally Posted by Dwight Southerland
My '67 car was a 327 originally. When I built it as a 302, no problems with fitting. Later I decided to convert to a big block, so I went to Chevrolet and purchased new 396 frame mounts. I ordered headers from Jack Davis and when I tried to install them, they would not clear the crossmember. Jack said the headers were designed to use small block frame mounts "because everybody does that to move the engine back". So the small block mounts wen back into the car.
There is a difference.
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My '67 was originally a 350 car, when I got it, previous owner had a big block in it, headers hit steering shaft...
Went to Chevy and bought big block mounts and fixed that...
They lowered the 302 for carb/air cleaner fit.
Other than that, nothing dimensionally different, small block is small block.
(probably useless trivia)