zex spark plugs?
Posted: Thu Apr 24, 2008 10:40 am
anyone use them. One problem I have is they recomend a v8 as a 14mm .708 reach mine are a NGK fr-5 14mm .750 5 heat range. It looks like the zex 82070 is the same or like a 5.5 heat range (little colder) and the 82071 is like a 7 alot colder think too cold. Only 100 shot