SKYRC Engine Heater SkyRCSK 600066 01 The SKYRC engine heater uses technology similar to that used by Formula 1, Indy Car and NASCAR Teams! It will properly pre heat your engine to 60 70C in 10 minutes based on ambient temperature. SKYRC engine heater will pre heat all the critical parts of your nitro engine, giving you a minimal of stress and wear on the engine. It help relieve the stress on the crank, con rod, piston and sleeve during warm up. It also give you a very easy