For many cars, their real life doesn't begin at the factory, but at the moment they roll off the dealership lot, and into the hands of an owner. For car enthusiasts, modification is a cornerstone of ...

There's an old saying in engine tuning that when adjusting the mixture of your engine you can be too rich a bunch of times, but only too lean once. With that in mind, determining the air-fuel ratio ...

Last month we built a mild street engine using a factory Chrysler 383 block, crankshaft, rods, and cylinder heads combined with some aftermarket goodies from Comp Cams and Summit Racing Equipment, and ...