Section 6A5 · Pages 427–472 (46 pages)

V8 Engine (5.0, 5.7 and 7.4 Liter)

From the 1987 Chevrolet Light Duty Truck Unit Repair Manual

Bench overhaul of GM's 90-degree V8s: the small block in 5.0L (305 cu. in.) and 5.7L (350 cu. in.) and the 7.4L (454 cu. in.) Mark IV, identified by VIN or by measuring bore and stroke. Disassembly covers manifolds, water pump, valve train, heads, damper, oil pan and pump, front cover, timing chain, camshaft, pistons, flywheel, the 5.0/5.7L rear seal retainer and crankshaft. Cleaning, inspection and repair takes in the block, pistons, camshaft and bearings, timing chain, valve train, heads and crankshaft, then assembly with separate rear seal procedures for 7.4L and small-block engines, valve adjustment and set-up and testing.