Modify .12 Question
#16
how did you determine your 15% improvement?
#18
Guestimate
It was a guestamite. I'm gonna time the car someday this week. I have been workin on my r/c all this week and takin a break. But i've had the engine a long time it was a ver noticeable improvement. Guestimate 15% at the most
#19
did u end up using a dremel? or a drill press?
#20
Dremel
Only used a dremel and grinding stones. I should have used the high speed cutters first then grinded. My cylindrical grinding stone looks like a conical stone