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Non-detergent engine oil
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HudCo View Drop Down
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Joined: 29 Jan 2013
Location: Plymouth Utah
Points: 3827 		Post Options Post Options   Thanks (0) Thanks(0)   Quote HudCo Quote  Post ReplyReply Direct Link To This Post Posted: 08 Apr 2019 at 11:51pm
non detergant oil would be sending it to a certain death maybe its allready to late but i think i would use a high detrugant oil like 15w 40 and change it often may be the sludge will start to clean out . modern oils dont make sludge in engines like they did in the seventys and back
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Joined: 12 May 2013
Location: Bombay NY
Points: 4917 		Post Options Post Options   Thanks (0) Thanks(0)   Quote WF owner Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 2019 at 5:15am
Originally posted by HudCo HudCo wrote:

non detergant oil would be sending it to a certain death maybe its allready to late but i think i would use a high detrugant oil like 15w 40 and change it often may be the sludge will start to clean out . modern oils dont make sludge in engines like they did in the seventys and back

If that is so, how do you explain engines like my WD45 that have thousands of hours on them without being overhauled? It still runs great, has good compression and uses very little oil. It was my Dad's tractor and has never had anything but straight weight non-detergent oil since I can remember (since the 1960's). This tractor did all the heaviest work; chopping corn, plowing, all the baling, etc.

The oil and filter was changed every spring to 30W for the summer and every fall to 10W for the winter months. In my opinion, sludge was caused more by extended oil change intervals than any other cause.
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 86275 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 2019 at 9:18pm
You are on the right track WF ....... detergent oil keeps the CRUD in suspension and it gets trapped in the filter ( or stays suspended) and is then drained out at change.... Non detergents just let the crud settle out through out the motor... so if you have GOOD REGULAR oil changes, the crud should be minimal over many years... You can also look at the applications and history... Many "farm" tractors were used in VERY DIRTY, DUSTY conditions with minimal filter on the air and oil... Oil was added from a dirty open can and wiped off with a dirty rag.... and change intervals were minimal... sometimes just ADD AS NEEDED....many sat outside and collected some rain water in the oil.... that is what has caused most of them to SLUDGE UP.
 
Detergent oils help take care of poor maintenance practices.


Edited by steve(ill) - 09 Apr 2019 at 9:20pm
Like them all, but love the "B"s.
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