Whats the problem? 25 psi is just fine as long as the temps is within limits. Don't fiddle too much with the pressure relief valve: it only works above about 565-60 psi Dan -----Original Message----- From: COL HERBERT K SLOANE <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] <[EMAIL PROTECTED]> Date: Saturday, July 10, 1999 9:04 AM Subject: I need help!
>-- [ From: Herb Sloane * EMC.Ver #2.5.3 ] -- > >My C-85 engine with approximately 650 hours since (questionable) major >indicates oil pressure no higher than 25 (on the line between yellow and >green) at cruising altitude of 2500 ft. My mechanic has changed the >spring in the oil pressure relief valve and added two shims. He has also >reamed out the aluminum case where the oil relief valve fits for better >seating.... all to no avail. I'm afraid to continue flying the plane for >fear that the low oil pressure reading will cause permanent damage to >the engine so my lovely ERCOUPE sits and waits for relief while I boil! >Other than a complete major which is prohibitive at the moment can >anyone offer suggestions for solving the problem?
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