The camshaft has to be one of the most complex subjects in car tuning. But what do cams actually do? We’ll be answering that and everything else you need to know about them in this guide. Well, to put ...

The bumps and grinds business has gone scientific. Camshaft technology has advanced dramatically in recent years, and nowhere is this newfound sophistication more readily apparent than on the street.

It's been all the talk on internet forums, club meeting hangouts, and in enthusiast garages across the nation—the loss of zinc and other protective "barrier" chemicals in modern oil damaging ...