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Old 10-24-2010, 04:22 AM   #5
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Join Date: Oct 2007
Posts: 18,926
RE: Dumb Tender outboard motor question (winterizing)

Tho the polution police don't like it the engine should be run in a pail of antifreez , the old green type.

The antifreez leaves a very long lasting film on all the internal parts.

Heat the pail to almost boiling , so the engines thermostat will be sure to allow the green goop to coat all the coolant passages.

We have saved and used OLD car antifreez (you do change it and the brake fluid every 2-3 years, right) to be the winterizing fluid.
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