Check out this Chevy High Performance article about how we install World Products iron S/R Torquer 305 heads, a Crane CompuCam hydraulic-roller camshaft and a pocket-porting job on the 1987 Chevy ...

For the baseline test, the stock 1986 305 TPI hydraulic cam was retained, and 17/8-inch, fully instrumented dyno headers installed.

Chevy small-block V8s are regarded for their power, reliability, and plentiful upgrade options, but the 305 cubic inch version sometimes flies under the radar.