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Old 06-13-2013, 10:02 AM   #29 (permalink)
nackerton
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Join Date: Mar 2013
Location: Finland
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Quote:
Originally Posted by euromodder View Post
Do you even have any idea how long oil stays in the engine of a truck ?
They don't change it, they check it.
It's only changed when the check indicates a problem or that the oil has worn out.
Yes, I have "some" idea

Trucks have

- larger sump capacity
- proper oil cooling, better filtration and lubrication system
- different grade, lower viscosity index and higher viscosities than in passenger cars, higher content of goodies like phosporus to protect from wear etc
- different load profile, no 5 minute trips to post office and back with cold engine

(I don't mind if someone wishes to spare miniscule amount of money by avoiding oil changes, it's his/hers property...)
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