A solid roller camshaft is a great way to improve the power your engine produces, and if your Mopar is equipped with a big-block or Hemi, a roller cam can be installed without much in the way of ...

As a refresher, we started out with a bone-stock '87 Buick GN, base-lined it, then progressively dyno and strip tested a host of proven bolt-ons. Each time we tried a new upgrade, we visited our ...