1978 brought big changes to Chevy's El Camino. Previously built on the A-Body platform, the El Camino downsized and now rested on G-Body architecture. While it wasn't exactly the performer it was in stock form in the muscle car era, the G-Body platform is able to easily accommodate a plethora of upgrades and engine swaps, including the potent Gen III/IV LS.

High-Horsepower street cars and trucks can be a challenge to keep cool. A proper cooling system starts with the right radiator.