What was found
DISCOVERED THAT THE CYLINDERS 3 AND 4 WERE PRODUCING COMPRESSIONS BETWEEN 20 - 25 PSI. NEW CYLINDERS AND PARTS WERE INSTALLED AND BREAK IN PROCEDURES WERE FOLLOWED. DURING 100 HOUR INSPECTION ALL FOUR CYLINDERS FAILED A COMPRESSION CHECK WITH RATINGS IN THE 30 PSI RANGE. ALL CYLINDERS AND CARBURETOR WERE REMOVED FOR INSPECTION AND REPAIRED, THEN REINSTALLED USING NEW GASKETS. BREAK IN PROCEDURES WERE FOLLOWED AGAIN. DURING 100 HOUR INSPECTION TSMOH 400.5, CYLINDER NR 3 SHOWED A COMPRESSION RATING OF 40/80. AFTER TAPPING THE EXHAUST VALVE, WAS ABLE TO GET AN INTERMITTENT READING OF 64/80 BUT IT NEVER STABILIZED. THE CYLINDER WAS AGAIN REMOVED .