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nacklas
05-14-2008, 01:01 PM
What should be the gap on a spark plug for an 03 HD? Mods XCAL tune with 6lb lower. Wasnt sure if there should be a difference in the gap with mods.
tiffo60
05-14-2008, 01:06 PM
.035 should be fine
nacklas
05-14-2008, 01:54 PM
Thats what I was thinking but wasn't too sure. Thx Tiff:tu: