049 Glow plug conversion perfected
Cox glow heads really have only one heat range although they do come in diffrent compression levels. With a glow plug you can run a hot plug with low nitro fuel or a colder plug with higher nitro fuel. The main problem with the conversion heads is the loss of power from the increased combustion chmber volume. What I did with mine was to get as close to stock as possible and I got within approx 300 rpm. Now dont get me wrong but they do good for what they do but I just wanted a little more versatility with my engines. Plus I also LOVE to tinker with things. Just look at Dickybirds engine. I mean this guy has to be one of the master tinkerers out there. I also thing a glow plug converted cox also has a gee whiz factor to it as well. Glow plugs are also about 70% cheaper than glow heads too.