Quote:

The Weiand action+ has 318 port sizes (the runner roof ramps down at the last inch or two).



That would seem to make sense, but according to the spec's in the Weiand/Holley catalog (pg 32), port size is the same.
http://www.holley.com/WeiandCatalog/Catalog.asp?pageNumber=32

Stealth

Action Plus


Maybe later versions of the Action Plus are different.

Last edited by 471Magnum; 03/31/11 03:58 PM.
-Jim

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