THIS IS NOT YOUR GRANDPA'S TRUCK!!! 1989 Chevrolet GMT-400 C1500 THAT IS LS SWAPPED 6.0L LS LY6 Iron Block w/ 823 Heads, Truck Norris Cam, LSXceleration Plug Wires, Long Tube Headers, Tuned by Bubba Tuned, Borgeson Fast Ratio Stearing Box, Quick Perf...