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Oil change frequency


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#41 John B

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Posted 20 May 2019 - 07:52 AM

I owned a British car which didn't need seperate servicing schedules. It had a total loss and auto rust proofing oil distribution system which simply required topping up the engine each third time you gassed up.
Slick.
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#42 lateral

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Posted 20 May 2019 - 08:11 AM

Save getting your hands dirty and just replace the filter. Novel & rust proofing to boot.

Poms weren't alone in experimenting with that.

Didn't like the version that did the aerial advertising or little offerings on your park spot.


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#43 John B

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Posted 20 May 2019 - 03:16 PM

Ah yes, those were the days. Eu de briteesh permeated into my clothing. It was a heady blend of decaying connelly leather, a hint of the highest octane fuel I could afford plus the smoky aftertaste smell of singed 30 weight motor oil as it snuck past the shrunken rope rear main seal (particularly on fast right hand corners) and dripped onto the exhaust.
I'm pretty sure it was not irresistible to women.
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#44 Maté

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Posted 20 May 2019 - 05:59 PM

I ran 15w40 which is the correct 2gm oil.  5w to light due to our cold climate.

 

Attached File  Annotation 2019-05-20 174744.png   14.55KB   0 downloads

 

The Yanmar manual suggests using the middle of the road  C rated oil and the weight for the ambient temp. None are multigrade oils, not sure why perhaps these old engines leak too much!

 

Advantages of Multigrade Oils
• One oil for year-round use
• Improved low-temperature starting
• Excellent high-temperature performance
• Improved overall fuel economy -  less idling time and faster warm up
• Less battery drain on cold starts
• Fast
• er, full-pressure lubrication over a wider temperature range
Disadvantages of Multigrade Oils:
Low temperature oil leaks may occur on badly worn engines
•  Polymer shearing may occur under high stress and/or shock load conditions

 

Also wonder if ambient is engine room temp which can get extremely warm


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