Holley has always offered vacuum-secondary performance carburetors in two versions--4150 models with replaceable jets in the secondaries, and 4160 models with a metering plate and no replaceable jets.

There's no denying that vintage engines have come of age. Look around and you will see plenty of Hemis, Nailheads, Y-blocks, and, yes, arguably the king of vintage motors, the Chevy W-motor (348/409).

We hot rodders are a lazy lot. We're always looking for ways to make things easier. In the movieTwo Lane Blacktop,the late Beach Boys drummer Dennis Wilson played a mechanic who spent the entire movie ...