Quote:
Originally Posted by scicala
... Now after a 2nd look at it it looks like a later '57 intake manifold too because of no adaptor to change the bolt pattern. ...
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He is good.
The '57 4bbl intake manifold is bigger & chunkier looking than the '56 (& '55) 4bbl intake manifolds because it was upgraded with larger passages for the D code 312 engines.
The carburetor stud mounting holes are also noticeably closer to the intake runners.
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