backlash49
Cadet
- Joined
- Jul 28, 2011
- Messages
- 17
this motor is a inline 6 cyc. When running at full speed motor starts to ping, pull back on the speed pinging goes away. Take out the #2 spark plug and it has little pcs. of alum. from the piston on it. compression is 115 in all cyc. need all the help i can get thanks Ron