Ok guys, I need a reliable and trustworthy source of somebody who knows how to diagnose these radial engines, I'm at my wit's end, just doesn't seem to have the power that used to have the push rods have been coming out I have spent four hours readjusting all the pushrods as per the book starts up good and runs consistently went back to my two-bladed 26 by 10 propeller only getting about 4400 RPMs bearings are super smooth and well oiled just doesn't have the power that my 777 has any suggestions on where I can send it to have it looked at