Rich Andrews
Well-known member
What is the gap on a zz383 spark plug? I thought it was .45 ?? I am running a HEI set up.
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spark plug gap
- Thread starter Rich Andrews
- Start date
Waterthunder
Well-known member
.045 is good you don't want to go much more unless you have upgraded your ignition system.
Rich Andrews
Well-known member
thanks.....don't want it to be a dog on the HILL this weekend!!