We just knew it wasn't gonna work. Over the past few years, nearly every cam manufacturer has introduced 4/7-swap cams for big and small Chevys, all claiming that the change in firing order makes ...

Face it: Real engines have roller cams (and we're not talking about factory hydraulic rollers). If you think your flat-tappet mill can make some ponies, then you're in for a real surprise. Cost is ...

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 ...