Isn't the diesel aftermarket a great thing? If we want added performance, there's something for us. If we want to spice up our truck's look, there's something else for us. And occasionally, there's ...

Probably not, but finding the right combination of parts has become easier these days as the aftermarket offers various camshaft grinds to meet the needs of the engine as well as an assortment of ...

Our 1999 GT project has a ProCharger shoving more air into it than it could ever ingest on its own, but that doesn't mean there isn't more room to make our engine a better air pump. All that ...

Few hobbyists will deny that from the mid-'70s forward, the Second-Gen Trans Am was Pontiac's performance leader. Its front and rear spoilers, wheel flares, and fender-mounted air extractors all ...

Optimum exhaust flow is critical to maximizing the efficiency of any engine. After all, an engine is just a sophisticated air pump – and the easier it is to move air in and out, the more efficient the ...