Originally Posted by
savannahmick
I have ran 3 gallons of fuel(VP race 30%/9%) thru my BTTA and I ran 1/2 gal. before I raced it. I always preheat to 200f and run all fuel out before I after run oil it with Hobbico oil. Anyway I am starting to worry that rod is going to be stressed to much but I don't run it rich always around 230f and it runs good but seems to have a little transition from lsn to hsn because at wot starts out smooth then really jumps up in rpm after a second or two. To lean on top or to rich on bottom but I am having hard time getting it just right. I use a Losi RE10 pipe right now but I just bought a RE12 which I think is a copy of 9901 and should help with weird powerband right? Should I crank this motor cold a couple times or really run it lean to drop pinch or just keep on keeping on cause I am 2nd in points and running great this season with the super smooth bottom end with the btta. Thanks!
the oils have gummed up/shellac'd/varnished the piston/sleeve , i am 100% sure of it , just run it cause if you clean it off the piston/sleeve fit will be very loose