Much of the IROC Camaro's newfound agility comes from Chevrolet's Tuned Port Injection system, which was first used on the 5.7L Corvette engine. The system incorporates twin forward-mounted air ...
This is not a shootout. It's not called a shootout, it wasn't conducted like a shootout, and there is no winner. What we've done is put four Chevy multipoint injection (MPI) manifolds through a dyno ...
In 1985 GM released one of its last major updates to the first-generation small-block Chevy, the Tuned Port Injection (TPI) system. It was the General's first foray into individual-runner and ...