On 29 Sep 1998, Gernot Vonhoegen wrote:
> If you (as with all oils, even your olive and sunflower kitchen oils) expose
> oil to air the oil will oxidize and the chains will be boken up.
Gear oil is also oil - with additives. What your are saying would that
you must change your gearbox and differential oils after winter storage
too? They are, for all practical purposes, as much exposed to the outside
atmosphere as the innards of a stationary engine.
Of course you don't. You might want to change your gearbox oil every five
years or so, just to be on the safe side. Manufacturers of most new cars
assume that diffenential and gear oil lasts for the expected life cycle
of the car, which is at least 10 years.
Engine oil, inherently, lasts just as long as do a gear oil. Indeed, many
modern cars uses an engine oil for the gearbox.
The reason you have to change engine oil so often compared to gearbox
oil, is that the combustion process produces many substances that
contaminates it, and that it is subject to being broken down by elevated
temperatures. None of that occurs during winter storage.
> Plus as with the additives, they
> will disolve the sludge over the winter/storage time and will be loaded with
> that crap.
They will do no such thing. On a stationary, cold engine, the detergent
additives have no effect worth speaking of.
> Should you run the engine now for a longer period, your filter
> will quickly soot up.
No.
Egil
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