Originally Posted by fast68plymouth
Originally Posted by 440lebaron
as I recall spark plugs were invented overseas in England that's why they are metric??

Of course....... I don’t think England was on board with the metric system “back in the day”.

You are correct on that up Them dang English and their English standards rant
That is not to say we Americans have never done that type of thing to go against the worlds standards whistling

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)