Quote:
Originally Posted by ronstory
I've found that putting the MMO in crankcase I can get more 'gunk' out of the 40 year old oil pan.
When I'm going to change the oil on next trip to the boat, I dump a pint of MMO into the crankcase and let it warm up for 20-25mins at the slip. Then I close up the boat and head home.
In 2-3 weeks when I return, I let the engine warm up for again and then drain the oil using a suction device.
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Thank you for that suggestion. To make sure I understand, I would just dump a pint of MMO directly into the main oil tube? Is there any harm in "overfilling" things -- if the engine oil dipstick already registers full, do I need to extract some oil before adding that quart?
Quote:
Originally Posted by ronstory
You could also dump in come ATF and get a similar result.
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Thanks!