Intake Manifold Notes
There is limited clearance for tall intake manifolds. Listed below are the specifications, restrictions and necessary modifications for various manifolds.
Generally, unless you use a small-diameter or narrow oval air cleaner, a hood scoop doesn't offer much advantage over a smooth hood. The scoop was added primarily so that Weber carburetors would fit.
Distance from the crank centerline to the valley flat: (The plane that A and B are measured from)
302 Windsor: 8.5"
351 Windsor: 9"
Edelbrock Air Gap Manifold