To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

More than 20 years after the first Gen III LS1 V8 rolled off the assembly line for the 1997 Corvette, it seems there are LS cylinder heads everywhere, and even more stories that have tested and ...

Earlier this year, we began a LS2 testing program at Dan Millen's Livernois Motorsports, one of our favorite Detroit area speed shops. In case you are just tuning in, the LS2 is the amazing, pushrod V ...

Are the stock heads really that bad? No. In Ford's defense, the factory 5.0L (E7TE) heads were never designed to support 400 hp (or more), but it's amazing what the proper heads can do to wake up a ...