Plug gap
Thread Starter
Melting Slicks
Joined: May 2006
Posts: 2,364
Likes: 103
From: Centerville Louisiana
Plug gap
I just noticed the plug gap on my 75 is .060 and every other year before and after is .045 does anybody run this wide a gap .I know I've never set it that wide.
Burning Brakes
Joined: Jul 2009
Posts: 910
Likes: 47
From: Kansas City MO
http://forums.corvetteforum.com/c3-t...-plug-gap.html
Race Director
Joined: Jul 2001
Posts: 15,892
Likes: 42
GM specified an .060 gap when HEI was first introduced. It was soon discovered that this lead to secondary problems such as arcing inside the cap and burning of the plug boots, so the spec was rolled back to .045"
