The chassis dyno is a relatively new phenomenon to hot rodding. From the hobby's earliest seeds until the early '90s—with the advent and widespread use of the Dynojet—the drag strip reigned supreme as ...

We recently spent a couple of days dyno-testing several different rocker-arm ratios on our 470-inch Mopar big-block. The good news was the engine made 700 hp on pump gas, but we were disappointed when ...