NMPRA

There's different ways to find tdc. Darrol sells a 20thou shim. Others do their best to get the piston to the top by smashing the motor on wood to drive the piston up higher. You can heat the cylinder with a torch, with the piston at BDC, cylinder is hot and expanded piston still cold you can find t...

What prop and ground rpm. Does it surge, struggle on the ground. No unload in the air. The most common problem is bad fit. Poor breakin. The second is the liner. Not all liners are created equal. I would start by cleaning the piston up with some mothers polish. Then some 1500 in the liner. Roll the ...

The higher timed guys, 7 under 11, 12, 13 over. The factory setup is 3 to 5 under 13 over. The lower timed guys nothing under 15, 16 over. The higher timed guys favor the 5 prop. Lower timed guys 6 and 7 prop. You wanna play with hotter plugs... 10 under 15 to 17 over. 5 prop. The difference in the ...

splatt wrote:
But I wanna race and if that is what it takes, then so be it. I'll wonder of better days of the past and move on and beat everyone on the course till they pry my cold dead fingers from my transmitter.

Ditto

is there a working link to join thru paypal