Watch us rebuild a Rochester Quadrajet carburetor on a 1970 Chevy C30 using the original fuel system. This restoration demonstrates proper disassembly, cleaning, rebuilding, and tuning techniques.

The L48 was a four-bolt main equipped with a hydraulic cam, cast pistons, and fed by a four-barrel Quadrajet carburetor. The engine was rated at 300 horsepower, but like all Chevy V-8s ...

However, CARB’s Advanced Clean Trucks regulation is still being enforced in California and taking effect at various stages in 10 states. The first states that have CARB’s ACT restrictions ...