As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE EXPERIENCED HIGH OIL TEMPERATURE 60 HOURS AFTER INSTALLING FACTORY OVERHAULED ENGINE. THERE WAS NOISE WHEN TURNING THE PROPELLER AFTER ENGINE SHUT DOWN. FACTORY SERVICE REP PULLED NR 3 AND NR 4 CYLINDERS AND FOUND THAT NR 3 AND NR 4 CONNECTING RODS HAD EXCESSIVE SIDE CLEARANCE. ROD WAS RUBBING AGAINST CRANKSHAFT JOURNAL.