Hello All winter layup is upon us. How much antifreeze does a Marine Power 350 k require?

I am draining the block and manifolds and risers. Pouring the antifreeze in the thermostat housing. 
How much should it take? Thanks 

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If your able to, id recomend running the antifreeze thru your motor after you have already got it warm and have changed the oil.

This way you will guarantee that Antifreeze has been thru the whole system.

I usually run a full  5 gallons of un diluted 100  below antifreeze (the good  blue stuff that contains rust inhibitors)  

This is what I recommend too. You won't get any antifreeze in the exhaust system, raw water pump, or trans cooler pouring it in the thermostat housing. 5 gallons is what it takes to get a bit coming out the exhaust on my 327's, I also use blue -100. 

Jeremy Goldstein said:

If your able to, id recomend running the antifreeze thru your motor after you have already got it warm and have changed the oil.

This way you will guarantee that Antifreeze has been thru the whole system.

I usually run a full  5 gallons of un diluted 100  below antifreeze (the good  blue stuff that contains rust inhibitors)  

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