RPM vs. RPM air gap

[D.Hearne]

Also, even though you may save a little money, Edelbrock is an American company, owned by an American hot rodding pioneer, who makes his parts in America using American labor.

Please don't buy cheap chinese rip-offs.

I don't know if anybody else has noticed, but in all those "cheap" rip off manifold auctions on ebay, the NEVER show a side-on picture of these manifolds. In the few pictures that I could make out, the carb pad looks like it's offset to the rear, this would make the rear cylinders richer at wide open throttle. Criusing on 2 bbls, the primaries are centered over all eight. This isn't the case with the Edelbrock manifolds, Something to think about.