When it comes to engine building, cylinder heads are of utmost importance. Here's why Chevy's small-block Vortec heads could ...

All enthusiasts are basically interested in one thing, getting better performance from their cars. Whether it's better handling, braking, highway cruising, reliability, or simply better straight-line ...

Memphis, Tennessee, has long been the cradle of the aftermarket performance industry, second only to Los Angeles. So, it should come as no surprise a legendary name like Racing Head Service (RHS) ...

Cylinder head porting is one of those garage mods that lives somewhere between speed-shop legend and flow-bench science. Also referred to as port and polish, the idea is simple: Open up the intake and ...

Hot rod builds a mouse trap and tries to catch a rat. Originally published in the August 1998 issue of Hot Rod magazine. To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring ...

On this episode of Engine Masters presented by AMSOIL, we test the long-standing Internet theory that too big of an intake port kills bottom-end torque. Watch us take the mildest of 408 Ford ...

I worked as a machinist in an automotive machine shop in the early 1980s before my career took me into the aerospace sector. The shop's high volume of mundane engine rebuilds and turning brake drums ...

The 1960s were a time that saw muscle cars with the best names and automakers racing for horsepower supremacy. While drag racers often turned to large displacement big-block engines for power, others ...