Part 5!! We mount V-band clamps on factory truck LS manifolds and fabricate the exhaust. 5.3 LS Engine Swap into Ol’ Blue 1971 Chevy Truck ...December 21, 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