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From: piner@pur-phy.UUCP (Richard Piner)
Newsgroups: net.auto
Subject: Oil changes
Message-ID: <1960@pur-phy.UUCP>
Date: Thu, 6-Feb-86 04:52:20 EST
Article-I.D.: pur-phy.1960
Posted: Thu Feb  6 04:52:20 1986
Date-Received: Fri, 7-Feb-86 21:18:07 EST
Distribution: net
Organization: Purdue Univ. Physics Dept., IN
Lines: 15

Change your oil often. I know the car makers try to tell people
new cars only need an oil change every 7 or even 10 thousand miles.
This is horse hockey. Break down of the oil is not the limiting factor.
Dirt is. Modern oils have detergents to suspend dirt in the oil.
So your oil isn't just lubricating your engine, it is washing it.
Like wash water, the oil can only suspend just so much dirt. You
want to replace your oil before it is saturated. Also, for this same
reason, you want to change your filter at every oil change, since it
holds a quart of dirty oil. I only drive about 7 thousand miles a
year, but I change oil and filter every four months without fail.
I've managed to keep a Vega running for 12 years following this
practice, so I must be doing something right.

					Richard Piner
					piner@pur-phy.UUCP