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 ...

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 ...

At 7,500 rpm, the pistons in your race engine reach either top-dead-center or bottom-dead-center and change directions 25 times per second. That means the piston goes from traveling at top piston ...

Measuring torque when installing threaded fasteners is the best indicator of future joint performance, right? Actually, bolt tension is a better performance indicator, but measuring torque is far ...

Split heads and head bursts on threaded metal fasteners are classified as “surface discontinuities.” As such, they fall under the jurisdiction of quality standards such as ASTM F788/788M and SAE J1061 ...