We take a look at a pump-gas 544-inch Ford big block that made 649 hp and a whopping 639 lb-ft of torque on Westech Performance’s Superflow 902 dyno.

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 ...

As the saying goes, “Horsepower sells cars, but torque wins races.” It’s true, engines are all about torque, and horsepower is just math based on that torque number and rpm. But it’s about more than ...