Originally Posted by
jpalessi
you beat me to it..

+1... to the tee.
odonnell 97t is a medium plug..
odonnell 99t is a cold plug.
os p3 is a "ultra hot"
os p4 is a "super hot"
i dont get it, the odonnell plugs must be labeled wrong or is it os wrong?
why would a super hot plug be better then a medium? when you say the medium plug from odonnell is hotter?