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  #1  
Old 09-06-2001, 06:00 PM
casey
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Is there any benefit to an oil change?

Is there any benefit in an oil change on a unit that had fresh oil put in before going into storage & has sat for over a year?
Thanks.
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  #2  
Old 09-06-2001, 06:35 PM
Cleve Cleve is offline
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Probably not.
But funny things happen when units are stored unused for that length of time. Condensation can form in the crankcase from temperature changes and that can cause problems in the oil.
I think I would start the engine and after warming up I would change the oil. Just to be safe.
Cleve.
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  #3  
Old 09-06-2001, 06:53 PM
casey
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If the oil will be changed after long term storage due to the possibility of condensation, is there any point in an oil change before the unit is stored?
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  #4  
Old 09-06-2001, 06:55 PM
cantoo cantoo is offline
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A couple of litres(quarts) of oil cost next to nothing compared to the cost of a new or rebuilt motor, cheap insurance.
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  #5  
Old 09-06-2001, 07:47 PM
linky linky is offline
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I would be concerned storing an engine with dirty oil. It seems to me that the dirt in the oil would settle to the bottom and cause or add to sludge build-up.
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  #6  
Old 09-06-2001, 08:05 PM
Dochere Dochere is offline
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Cantoo and Linky both make good points, also, oil does have a shelf life. Better be safe than sorry.
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  #7  
Old 09-06-2001, 09:25 PM
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Fish Fish is offline
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Shelf life? Does it have a born on date? Ever wonder why oil has
tamper proof seals and ketchup does not?
Fish
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  #8  
Old 09-06-2001, 09:58 PM
fivestarlawnken fivestarlawnken is offline
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If this machine makes you money don't fret about a few dollars and oil.Five bucks on oil is cheaper than an engine!!
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  #9  
Old 09-06-2001, 11:38 PM
point point is offline
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It is best to change oil before storage it gets the acids out that could be
attacking the metals thruout the storage interval.

There is really no reason to change oil after the storage interval unless
you need a viscosity change. the only thing that can happen to oil during
the storage is condensation could add a small amount of water to the oil
I say small amount because this amount will do no harm at all.
as soon as the oil comes up to temp. the water will boil off, oddly enough
1 startup when cold say 5 to 15 F will produce more water in the oil than sitting
all winter.

Dochere, oil degrades VERY slowly under 100 degrees something like 70 years
oil stored at room temp would show no detectable change after 10 years.

Very nice site by the way I learn a lot
mark
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  #10  
Old 09-07-2001, 03:46 PM
awm awm is offline
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old burnt oil developes corrosiveness ive heard. so id change before storage. then at regular intervals after you put it back into service
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