How do you time a Chevy 427?
How do you time a Chevy 427? Big-block Chevy timing is pretty well standardized unless major modification have been done. The timing on stock 396, 402, 427 and 454 engines is 32-34 degrees total advance at 3500 rpm. This is for an engine with stock camshaft, heads, stroke, and a compression ratio of 10:1. Where is the dead center on the timing plate? Find and identify top dead center on the timing plate, located on the timing cover. Top dead center will be 0 or a V shaped cutout on the plate. Mark the timing line on the harmonic balancer...