Quote:
Originally Posted by scicala
I think the Mercury is a '46, so it would still have the 239 engine. But a slightly larger carb ain't gonna hurt.
Sal
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He said a 3 5/16" bore, which yields 258ci, and is actually bigger than a later stock Mercury. I have bored several Mercury manifolds to the proper size (both aluminum and cast iron) and never had a problem; I don't know about the earlier manifolds.
From my experience, I believe that a 2G is superior to the older Holleys.