What Is The Ignition Timing For A Chevy 454?
What Is The Ignition Timing For A Chevy 454? 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. The high-performance versions are slightly higher with a maximum advance of 38