For decades, engine-builders have been tightening rod bolts with a torque wrench and getting away with it. But in today's high-performance world where we push engines to make a ton more power and spin ...

In the February '95 issue of HOT ROD we ran a test on the TFS Twisted Wedge small-block Chevy heads ("A New Twist On The Old Heads"). But we were unable to complete the test because the engine blew up ...

We may receive a commission on purchases made from links. Picture this: you are in full DIY superhero mode; however, the moment doesn't last long, all thanks to a stubborn, rusted bolt that just won't ...

Torque-to-yield (TTY) bolts, also known as angle torque or stretch bolts, are fasteners designed to be tightened beyond their elastic range and into a controlled yield zone. Their job is to apply a ...