While the '68 350 H.O. used small-valve No. 18 cylinder heads, the '69 350 H.O. is essentially a small Ram Air III and used the same large-valve No. 48 heads and comparative camshaft duration.

We then hustled over to Performance Automotive Warehouse (PAW) where we picked up a Deluxe Engine Rebuild kit that included a set of 0.010-under rod and main bearings, Hastings 5/64-inch rings, a ...

We selected the basic small-block Chevy 383 assembly, which includes a brand-new cast-steel crankshaft, manufactured with 2.45-inch mains so its ready to drop into a 350, instead of reconditioned ...