One of the key enablers to building a different engine for your street/strip car is finding a cylinder head that flows plenty of air and fuel, and is widely available. Fans of the big-inch Buick V-8s ...

While the design changes were obvious and the flow numbers looked promising, the bottom line is how they stack up in power production on the dyno. We already had a fresh '71 440 Six Pack motor on the ...

In our May '03 issue we introduced the Performer RPM II intake manifold from Edelbrock ("Biting Back," p. 52). A promising revision of the long-popular Performer RPM for fuel-injected 5.0 engines, the ...

For years LT1 enthusiasts have been running well into the nines with factory LT1 and LT4 intake manifolds. With some porting the factory castings have proven capable competitors, even on big-cube and ...