I know I've read some people saying that condensation can build up over the winter, and that is why changing the oil first thing is good, but I can't imagine that a relatively short stint
If you don't run the engine over the winter then NO condensation "builds up". And some people think that condensation in fuel tanks is a "Myth"
http://www.yachtsurvey.com/myth_of_condensation_in_fuel_tanks.htm
The worst thing you can do with ANY engine whether it's a Y-block, marine or any other engine, is start it up and run it briefly "to keep the battery up" etc.
That will absolutely put condensation in the crankcase which will end up in the oil.
If you're going to start it and run it you should drive it long enough to get up to operating temp (long enough to completely heat the oil and evaporate the moisture).
Boats are a completely different deal, alot of moisture and suspect seals.
Not really....it depends on where you park it. I park mine in the garage right next to my Y-block. It doesn't experience any more moisture than the other engines sitting in the same garage.....but the "stuff" I don't use during winter gets the oil changed before I park it.....
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1955 F-600/272/E4OD// Disclaimer: No animals were injured while test driving my F-600 except the ones I ran over intentionally!
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