John Lingenfelter has built a killer reputation in the high-performance world. He knows how to tweak a Rat and twist a Mouse's tail to make both of them really sing. In his quest for one more ...

It’s a good question when considering aftermarket upgrades for any car: is the value provided worth the investment? That’s the question today, featuring Motor Trend’s Engine Masters series. The ...

GM's 706 Vortec heads are the cheapest and most effective heads you can use on your 4.8-liter and 5.3-liter, and even some 6.0-liter LS engine builds. Bold statement? Well, not really. You see, these ...