hello, what glow plug are you guys running with your TZ ? i know there are only certain brands will work with TZ and just to be safe i bought 2 dozen of OS P3 ultra hot plugs , has anyone running this plug ? I have been running medium sometimes medium hot in my nova based engines but never run a hot plug let along ultra hot, i only bought it because the hobbyshop where i purchased the enigne recommmend, he said OS TZ works best with hot plug..what do you guys think ?