In part 2 we left off with the motor bolted to the trans waiting for me to build some motor mounts. Time flies because that was almost a month ago! In Part 3 I make the motor mounts, fix the gas tank, and make some EGR blockoff plates. 5.3 LS Engine Swap into Ol’ Blue 1971 Chevy Truck ...November 23, 2014 in FABRICATION PROJECTS / OL' BLUE tagged 5.3 Chevy Engine / 5.3 Swap / BBC to LS / Custom LS Motor Mounts / LS Swap / Painless Wire Harness / Spring Bushing Motor Mount by Paul