Porting/polishing Nitro Motors???
HEY IM LOOKING FOR SOMONE TO PORT AND POLISH MY OS .21 MOTORS THE BLOCKS AND CRANKS ??ALSO HAVE XTM 24/7 AND OFNA 8 PORTS TO DO TOO!!! DOES ANY ONE HAVE ANY LUCK DOING IT THEMSELVES? PLEASE ANY INFO IS HELPFUL. IM TRYING TO DO MY OWN BUT DONT KNOW IF IM DOING IT RIGHT THANKS!!!