1 Part 4! I feel like I am finally starting to close the gap on this project! With Part 4 we are going to button up a bunch of small stuff and order a bunch of parts. 5.3 LS Engine Swap into Ol’ Blue 1971 Chevy Truck ...December 3, 2014 in FABRICATION PROJECTS / OL' BLUE tagged 5.3 Chevy Engine / 5.3 Swap / BBC to LS / Custom Exhaust / Custom LS Motor Mounts / LS Manifold Vband / LS Swap / Painless Wire Harness / Spring Bushing Motor Mount by Paul