well group operation new p/l installed operation a success but patient died
issues
1. engine hard to start need cranking with electric starter, the compression is great can adjust from over to under with screw
2. will run only between 6000-7000, and rough no idle throttle no effect whether 1/4 or 3/4 open
3.the new liner is flanged site on top of cylinder original flush ( davis head still perfect fit notice head sits on flange head not flush up about 2mm my other one is flush
4.Piston new one has a hole about 1/4 inch round below wrist pin, installed with this hole opposite exhaust, slot in cylinder perfect line up with exhaust outlet
5. porting slots were different in cylinder than one that was removed
6.this was a brand new setup in original pack from OS marked 10FP p/l
7.It appears a few varients of this engine 10FP, 10FPS. 10FP b and 10FP BX
8. Ain't breathing right


Ideas????? martin