It can be safely said GM's all-new LS1 opened the door to a new world of technology and performance in the 1990s. It can also be accurately stated the LS family is easily the most successful V-8 in ...

Ever since we came up with the cockamamie idea to put an LS1 into a Fox Mustang, we've been having a tough time making new friends. Even now, four months into this project, we're sad to report that we ...

Iron LS1 5.7L Dyno pull inside the dyno control room - hitting the rev limiter. 456hp One of the tuning runs for our leftover LS1 iron 5.7L LS engine build. This was with the upgraded Fast 92mm intake ...

Chances are you've heard of the Racing Head Service. Back in 1967, RHS started out life as a manufacturer of racing cylinder heads but soon grew into a full-service operation, offering turnkey engines ...