Here is a link to a Hot Rod Magazine article by Racer Brown, circa 1955, that shows the vette factory split manifold, if that helps:

http://www.selectric.org/55chevy/soup.html

According to the guys over at the H.A.M.B. there were more over the counter GM split manifolds sold than the ones that came on 'vettes. Check that out here: http://www.jalopyjournal.com/forum/showthread.php?p=6367137

Last edited by Hot Rod John; 04/26/2011 11:07 PM.
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