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 ...

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 ...

When your foot is blue and your motor is reaching for the moon, we know what you're thinking: It's a good thing this engine's rock solid. At least we hope that's true. And as important as good-quality ...

It's good to know what you want when you set out to build an engine. It's even better to actually get it. As Ken Sink formulated a replacement Rat motor for his original big-block-powered '68 Chevelle ...