Originally posted by NitroOB4You
Hey guys...I just looked at the CRC website, a few people have been talking on another post, about the STS engines.I am interested, but was wondering the differences between the Dragon 3 and the Modded MT 12..basic info, power figures, reliability, pros n cons between applications.I plan to use whichever I choose in an LD3 Champ Ed, if that helps.Thanks for the time 
The Modded MT 12 is threaded crankshaft,Not SG crankshaft. You need SG crank for your LD3.