On 8/14/2010 10:32 AM, drdlhammond wrote: > We could NOT tighten the mounting bolts to the prescribed 60 inch > pounds (we had metal to metal contact between the engine and the > mount). At 45 inch pounds there was very little clearance so we > settled on 40 inch pounds.
OK, there's something wrong there. Bad rubbers, bad torque wrench??? Once that's corrected, there are many possible causes of vibration. How's your mag check? Any baffles, exhaust or intake parts touching the cowl? Broken valve springs? Bad lifters?.... -- John Cooper Skyport East www.skyportservices.net
