Originally Posted By: Scotty1981
I just buy them pregapped usually
Pregapped for what engine? The mfg. of the plug has no idea what the end user is going to use their plugs in.
BTW, so many say the coin tool is no good, well its worked for me for 50 years with no problems, just know how to use it, and yes I know how to measure items with close tolerances, I was a tool & die maker by trade till I retired.