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My rear engine is coming out in November due to all the leaks. Have replaced the oil filter adapter with a Wolf remote filter which did make a big difference. Also replaced all the push rod tube seals and valve cover gaskets several times and removed the unfeathering accumulator - all of which were leaking. As bad as it sounds, I have cut the oil leaking "down" to a quart every 5 hours....makes a mess of the engine compartment, rear cowling and stab.
It is wet about everywhere and since we have done all we can with the engine in the air frame it is time to pull it and replace everything short of splitting the case. It is not wet on top or at the crank seal - just everywhere else
Front engine is better by over twice that of the rear engine.
So consider yourself lucky to not lose any oil!!
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