YardstickThere is an old adage that you don't race dynos and flow benches. Manufacturers of test equipment use different standards and test procedures that will affect the results. This brings me to ...

Starting engine dynamometer pulls at low rpm is hard on the dyno and hard on the engine. Today, engine dynamometer testing is an integral part of many HOT ROD engine buildups and product tests.

We always considered the factory exhaust system fitted to Mopar musclecars as good. As factory systems of the era go, the OE Mopar exhaust was generally the best. Mopar iron manifolds were typically ...