Chevy Starter Tuning - Proper Engagement. Think Before You Start. HOT ROD Staff Writer Jul 01, 2001. ... IMI offers a circular starter shim to move its starter away approximately 0.075 inch.

Shop manual column on how to cure a noisy Chevy starter.The racket from the starter was horrendous, ... The cure is often a 0.015-inch-thick half shim between the outside bolt and the block.