FiTech recently introduced a line of affordable and easy-to-install self-tuning induction systems for GM LS engines designed with both the do-it-yourselfer and the professional EFI tuner in mind. The ...

It's hard to believe that General Motor's LS series of engines have been with us for 20 years. Introduced in 1997, performance enthusiasts quickly learned all this new design had to offer—these ...

FiTech made a name for itself offering an affordable, self-learning throttle body EFI system and now the company has upped the ante with the Ultimate Torque LS composite intake kit. Previously, FiTech ...

Testing out FiTech's new EFI throttle body system on an iron 5.7L LS engine. Intake is a single-plane Holley unit.

A hands-on dyno tuning session using a FiTech EFI system, packed with practical advice on throttle body adjustments, fuel maps, and optimizing engine performance. Washington flooding 'extremely ...