Can someone please tell me how to get a damn piston sleeve out. I got the motor broken down, but I can't get the piston sleeve con rod out so the shaft is also stuck in because it has to come out the back. The engine manual is no help at all. I am an hour or so away from taking a dremel and sawing the con rod in half. I thought maybe the sleeve turns and locks in some how. Also I see some type of retainer clip or something I don't know how that would hold the sleeve in or how to get it off. Please help. Ohh and I'm not sure how to figure out gear ratio can anyone post formula. I have my order all ready to go on tower hobbies, I want to order a few spare spur gears. What a good set up to use. with the .18cv-rx. I want good low end without sacrificing too much top speed. Is the stock 52t ok or should I go with a 49 or 47. Also how strong are the steel gears. $50 seems like a lot to spend when I can replace plastics ones for $5 but if I'm gonna chew them up in possibly one day of bashing $50 might be a bargain.