Jetting change in a rc glow engine ? I have seen them with bore restrictors , but no jets . Temp has alot to do with it . When I race in teh winter , head temperature is in the 150-160 range . Same track summer time head temperatures are in the neighborhood of 180-190 //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gifaltitude has so much more to do with tuning that temp. for racing, we have this thing called a weather station, you can only get them from aeronautical shops and race shops. it takes all of the weathers factors (humitidy, temp, alt, etc...) and comes up with a corrected altitude. when i changes 700-800 feet, we need to make a jetting change.
