The Pontiac Trans Am debuted in the late 1960s with a big-block V8 under the hood and power ratings of up to 500 horsepower. But by the mid-1970s it became a Malaise-era coupe that barely hit 200 ...

Part I: Intake And Exhaust Installation And Dyno TestWhile just about everyone would love to have a new 505-horsepower LS7 powering their Bird, budgetary restraints and the desire to retain the ...

As promised in Part II, we will tackle the cooling and electronics aspects of the GM Performance Parts (GMPP) 4L85-E SuperMatic trans swap in this article. First, here's a brief review. Part I (Feb.