Hey everyone, having a little issue with speed and fading with my Mach 2 17.5 blinky. Geared 3.70 w/42 deg timing, 40mm fan, 6200 65c Turnigy A spec batt. Bearings good, drivetrain free. 80x35 ft carpet, somewhat technical track.
I am lacking a bit of straight line speed compared to many other guys and I get serious fading about 3:30 into the main. The motor comes off about 165 on the endbell after 5 minutes. I had read that the Mach 2 seems to like a higher numerical fdr with more timing, so I was going to give 3.86 and 49 deg timing a shot--the only issue is that my Mach 2 only has enough clearance to go to 42 degrees!! To physically get to 50 deg on the can I would have to open up the timing slots with a Dremel, I don't want to do this as I understand altering the motor can in any way is illegal.
Does anyone with a recent batch Sonic Mach 2 have "artificially" limited timing? I am physically maxed out at 42 and would like to try more.