Fox .15, slant plug, MKX carb (circa 1980)

10% nitro (Omega with extra castor added), McCoy 59 plug

Master Airscrew Scimitar 8x4 = 12,300 rpm

This engine was designed for 25% nitro, so there is probably more power available with the right fuel. Needed a hot plug to start and run well on 10%.

Jim