In the February issue of GMHTP, I embarked on an exciting project to replace my 2001 Z28's LS1 with a 480-horsepower crate engine from GM Performance Parts. Down at TT Performance in North Jersey, we ...

In our last installment on Scarlett, our ’72 coupe project car, we routed all the engine wiring through a single circular connector on the firewall in preparation for integrating the LS3 wiring and ...

"We don't want to break it," said Chris Johnson, senior calibration engineer at Edelbrock, as he tossed us the keys to our '65 El Camino project car. He wasn't referring to the engine or the car but ...

While the LS3 would provide all the power needed for chasing parts, the one area it fell short in was appearance. What Randy wanted was high-tech performance with a vintage look and he found it with ...