Chris,

As Lynn mentioned check the woodruff key of the oil pump.  I flew for 10 hours without one installed (it fell out during installation and I failed to realize it), but when the clamping nut broke loose, the oil pressure dropped from 60 psi to 20 psi on taxi out.

Ed
 
---- Ben Schneider <plumberben@yahoo.com> wrote:
> Perhaps we could modify the green bay packers cheese wedge hats to make them look like rotors!
>
> Ben