Part 9 We make LED dome light from scratch, add a 3rd brake light, and reconfigure the exhaust…again. 5.3 LS ENGINE SWAP INTO OL’ BLUE 1971 CHEVY TRUCK ...March 9, 2015 in FABRICATION PROJECTS / OL' BLUE tagged 5.3 Chevy Engine / 5.3 Swap / BBC to LS / Custom Exhaust / Custom LS Motor Mounts / Flowmaster 70 Series / LS Fuel Filter / LS Manifold Vband / LS Quick Disconnect / LS Swap / Painless Wire Harness / Spring Bushing Motor Mount by Paul