What was found
(CAN)AFTER THE ENGINE WAS OVERHAULED, WITH SIX (6) NEW CYLINDERS FROM CONTINENTAL, THE ENGINE FAILED TO ACHIEVE FULL POWER ON THE POST INSPECTION/OVERHAUL RUN-UP. THE MAXIMUM RPM WAS 2700, INSTEAD OF THE REQUIRED 2850 RPM. TROUBLESHOOTING REVEALED THAT ONE OF THE INTAKE VALVE SEAT WAS 1/8 OF AN INCH DEEPER IN THE HEAD THAN THE OTHER FIVE. THE CYLINDER WAS REPLACED AND THE PROPER ENGINE RPM WAS ACHIEVED AT FULL POWER.