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synthetic lubricants, Mobil 1 444-544

I disagree. Full synthetic motor oil is good stuff and there is no reason to not use it. Your rig doesn't have a cooler so that poor oil sits in there getting hotter and hotter and only cools by contact with the sump.

Changing high quality filters on a routine basis is very important, yes.

If you get 10% fuel in your oil then you have a major induction adjustment issue or destroyed rings. No engine should have contamination that bad.

I'd use the "10W30" spec and be happy.

Insofar as the tranny is concerned, it is not picky. I happen to use redline GL-5 spec in my M40. The M41 reputably cannot use synthetic due to the cone clutch in the OD but I'm still on the fence. gonna try it unless someone else can irrefutably show me it caused trouble.

--
Mike!






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