A case in point is this adjustable metering block derived from the stock metering block for Holley's PN 7448-350 two-barrel (2-bbl) carburetor. This unit was originally designed as a 350-cfm Ford ...

It's no secret that even the competition-designed versions of Holley carburetors can be reworked, cleaned up and modified from their "out-of-the-box" condition to achieve increases in performance. The ...

Tuning a carburetor doesn't require a mechanical engineering degree by any means, which isn't to say that it doesn't take a bit of knowledge to properly set one up. If you're tuning for the street, ...

Holley Performance Products is a brand known to anyone who has wandered the aisles of their local auto parts store or spent time poking around the engine compartments of older vehicles. The Holley ...