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BARGES: All about barges and barging - building, buying, maintaining, equipment, handling on the water, etc.
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TOPIC: Engine Oil Analysis

Engine Oil Analysis 13 Nov 2019 19:29 #111387

Can of worms al'right!! But for what it's worth my engine manufacturer (Nanni) say oil changes at 200hrs or 12months, whichever is earlier and to do it before the winter lay-up. And on that subject I have read that it's better to change in the Autumn as it saves having the acids that have built up over the year from lying around in the engine. Don't ask me anything else on this.... it's just what I've read. Could be a pile of poo..... just saying that's all.

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Engine Oil Analysis 13 Nov 2019 14:48 #111380

And define 'quality oil'

My 4.0lt Yanmar's specified oil change intervals are every 150hrs and it takes 10litres. It gets done twice a year mid and end of season.
How do you know that the €40 can of big brand oil is better than the supermarket's €15 equivalent given that the spec of the latter far exceeds the specified lubricant ??

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Cheers 'n' Beers

Nigel Crompton
Meander in Belgium

Engine Oil Analysis 12 Nov 2019 15:47 #111367

I change it only once a year..since I do need 18 Liters of oil !

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Engine Oil Analysis 12 Nov 2019 11:22 #111363

  • Derek and Janice Wallace
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Oh Harold you've now opened a can of worms !!

Regardless of oil quality I change frequently to remove suspended particulate matter in the range the filter can't catch.

Given that oil and filters are the cheapest thing you'll put into the engine then why not.

Derek

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Engine Oil Analysis 11 Nov 2019 23:09 #111357

  • Harold Flescher
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A quick question. Does anyone run synthetic oil? It is a no brainer in a car but I don't know if the mfgrs call for it.
People used to say that older engines leak if you use synthetics, but my 1970 MGB and 1959 Alfa don't leak and I have synthetics wherever there is oil - motor, gearbox, rear end.

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Engine Oil Analysis 11 Nov 2019 22:11 #111355

  • Balliol Fowden
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I tend to keep cars on average for 200,000 miles and they never get “serviced” in the normal sense, but they do get their oil changed every 5 to 6 thousand miles, even though the present ones only supposedly need oil changes every 12k miles. I am a great believer in clean fresh good quality oil, but it is good to hear that oil can last longer than some oil manufacturers let on.

For my boats the oils get changed every 200 hours or every year, whichever is the earlier, but I take friendly issue with Andy on the timing of oil changes. I prefer to do the oil changes in the spring, after all the off-season condensation has abated, and to give the engines fresh oil for the rigours of the season. While the engines rest the water is at the bottom of the sump.

Balliol.
The following user(s) said Thank You: Peter Johns

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Engine Oil Analysis 11 Nov 2019 20:35 #111352

I have always worked on the basis that the cheapest and best cosseting that you can give your diesel engine is an annual oil and oil filter change - my preference is to do that in the autumn to leave them with good clean oil for the winter ‘lay-up’.

All three engines just finished this week - phew!
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Best Wishes
Andy Soper
DBA Director Representation and Treasurer
mv Neeltje
Coookham
0044 (0) 303 666 0636

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Engine Oil Analysis 11 Nov 2019 18:40 #111349

> The oil was poured in in April 2016 and has done 681 hours.

Gosh - I religiously get my engine serviced every 12 months - about 250 hours. That's about the "recommended" interval I think, but my engine is auto based (Toyota Landcruiser 6 cyl, 4.2 litre) and much faster running than your engine, although rarely run at more than 2000 rpm.

I would be interested to know the condition of my 15-40 oil after a year of service. It's probably good for another year or so.

Peter.

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Engine Oil Analysis 11 Nov 2019 14:22 #111342

  • Colin Stone
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I have the engine oil analysed each year by Millers Oils. It used to be free for customers using their oils, but now a small charge

I use the Multifleet2 15-40 and have just had the analysis back. Seems to quite interesting and I attach the report.

The oil was poured in in April 2016 and has done 681 hours.
What struck me was the TBN still at 9.8 and low fuel dilution of 0.5%

Millers write that the oil is fit for further service.

But perhaps an engineer can tell me more??

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Colin Stone
Barge Register KEI
www.luxe-motor-kei.co.uk
DBA - The Barge Association
DBA - De Binnenvaartvereniging
DBA - L’Association des Péniches de Plaisance
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