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Just winterizered my boat and wanted to verify that I did it correctly. I removed 2 plugs in each manifold and 1 on each side of the block. Also pulled the strainer and removed the hose, drained and filled it with RV anti freeze. My last step was to blow out the heater core (air compressor) pull the hose attached to the trans cooler and run 4 gallons of antifreeze thru the motor while running until it came out the exhaust. Is there more I should do? I have tried to get a service/parts manual for this motor but it is not avialable. Thx
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