Well after some piston and liner swapping finally came up with a combo got got us some fair compression also installed a PAW c/l needle assembly in the Drone venturi
put on a 13x5 XOAR prop primed hand flipped , ran for a few seconds off the prime Davis ABC mix will hook up the tank Fri or Sat and go for a run curious what the RPMs will be on this prop, the original tank is not mounted just the insert back and with the backplate, clamp gasket was shot so used a nitrile O ring seems fine martin