Quote:
Originally Posted by Gossamer
shouldn't be much condensation since it's room temperature so to speak. It's got nothing to do with freezing or above freezing. It's all about the variation of the temperatures with large swings.
Take a hot cup of coffee put it outside on a warm summer day, no condensation, take a cold beer put it outside in on a cold winter day, no condensation. Now a hot glass on a cold or cold glass on a hot day you'll get condensation.
Now if you have one of those mid winter warmups, then yes it can happen but once again it shouldn't be life threatening.
Always went back and forth on fresh oil for storage or dirty oil. Personally I think with all the by products of combustion you may be better off with fresh oil for storage. After it is a sealed system and should be virtually just as fresh in the spring.
However on my motorcycles, I would just fill the tank, push it to the corner of the garage and leave it. Oil change was dictated by how many miles I had on at time of storage.
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An engine is not a sealed system, unless somehow you capped the intake and exhaust. Attached garages are the worst for engine condensation. The house heat keeps it fluctuating above and below freezing. Those swings trigger the condensation. I had one car in an attached garage... pulled the oil cap... milk shake city. Car that was out in a barn frozen solid... oil cap looked normal. And you can't tell by pulling the dipstick. The milkshake is on the top... underside of the valve covers, underside of the intake...