A what cc to you need to go to timing advance on the igintion. I have a g-38 convert by perry. What should the timing be set at. The pick up senor spins all the way around of front of the motor one set screw is gone other is lose only ran the engine 1 time on a stand the engine is new. Thanks.

See:

http://tech.flygsw.org/g38ignition.htm

The attachment may help also. If you have trouble printing the degree wheel go to the website printed on the degree wheel picture. Print it, cut it out and glue it to the side of a cerial box (or whatever) piece of cardboard.

Bill

Thanks Ram Jet