: 98 deville concour... correct spark plug gap



CADILLACPIMPIN410
02-04-11, 06:57 PM
whats the corect gap for the ac delco spark plugs ? 41 950?

Submariner409
02-04-11, 07:41 PM
whats the corect gap for the ac delco spark plugs ? 41 950?

They come pre-gapped to .050"

Use a wire plug gauge, and if necessary to adjust the gap, DO NOT try to bend the center electroded.