Ever been strolling through a hardware store or perhaps an auto parts establishment and wondered of the meaning behind the markings on the hundreds of thousands of bolt heads on the shelf? Whether you ...

Like it or not, Detroit's going metric. New-design engines, chassis, and drivetrains are in most instances entirely metric. Older engines and chassis may have a combination of both standard (English) ...

I ran into a problem while doing a top-end rebuild of the stock 350 Chevy small-block in my 1974 El Camino. I discovered while trying to reinstall a new factory-style balancer bolt and -inch-thick ...