Inliners International Forums General Discussion Engines spark plug gap

I run a HEI with AUTO Lite Plugs 404 if remeber right. I may dig one up. But anyway There is very Little tip sticking out on these plugs NONE of the ceramic part of the tip shows and I run a .045
gap on the plugs with a 50,000 Volt coil. But it
also ran well with the stock coil On the same plugs But when I made up grades to the dist. I up graded all.The dist was set up to run 8500 RPM
with out having any Kinda of issues.