What was found
WHILE TROUBLESHOOTING HIGH OIL CONSUMPTION THE OWNER DISCOVERED UNUSUAL WEAR ON NR 2 EXHAUST LIFTER. THE LIFTER CONTACT SURFACE WAS FOUND TO BE WORN WITH PITTING MARKS. 2 OF THE OTHER LIFTERS APPEAR NORMAL IN WEAR PATTERN WITH NO PITTING BUT THE REST OF THE LIFTERS ALSO SHOW SLIGHT WEAR/PITTING MARKS THAT ARE CONSISTENT WITH THE WEAR ON THE NR2 EXHAUST LIFTER. THE CAMSHAFT APPEARS NORMAL. ENGINE WILL BE REPAIRED WITH NEW LIFTERS AND A NEW CAM AS A PRECAUTIONARY MEASURE. IT IS NOT KNOWN IF THE HIGH OIL CONSUMPTION WAS RELATED TO THE LIFTER WEAR.