Here’s my 1978 c10 with the 5.3Ls and 4L60 e transmission with corvette servo upgrade . 12 bolt rear end Detroit locker with 373 gear differential. (out of a 2003 silverado ), “yes“ LS swap perfectly done up,LSX motor mounts,stand alone harness, long tube headers down to a Y pipe and Borla muffler. K&N air filter, electric fans( with Nelson performance Harness), OB2 scanner, with the torque app. Truck was street tuned by STD performance, runs super smooth and very fast (a perfect sleeper for the weekend)or a daily driver truck. It’s lower C notch in the rear, and lowering springs in front (Bell-Tech )street performance shocks all around. 15” Jegg wheel and cooper cobra radial G/T tires.Disc breaks in front, and drum brakes in the rear. “NO Rust” New spark plugs and taylor wires,New fuel tank, lines,filter pressure regulator. New map sensor, and temperature sensor. led head lights