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The engine compartment was gutted and an ’89 IROC 350 Tuneport 228 was dropped in with matching IROC radiator and fan. Dennis says that one of the best performance mods is “using the Chevy motor mounts and inserting pedestals for the motor. It greatly reduces engine vibration and engine noise.” It also has a 20,000-pound transmission cooler with a temp gauge, a Hypertech performance chip, a 3-inch Flowmaster, and a K&N filter and filtercharger system.