
Originally Posted by
Brian Hjelm
Isuzurover, a pint per 1000 miles was considered good and a quart per 1000 not too bad. And these were petrol engines that don't normally use a lot of oil if in good condition. These Toyota people are complaining about a mere 17 ozs. in 630 miles. If they are running out of oil and shagging engines it is their own bloody fault for not lifting the bonnet and pulling the dipstick regularly. I sacked truck drivers for less.
I am sure you are aware that the stuff in a diesel's sump is not much different to the stuff in the fuel tank and a diesel will run quite handily on lube oil.
I have owned many diesels from an LR 2.25 to Detroit 8V92TA's and maintained and overhauled a few that were just a bit bigger in ships and power stations and the like. If any diesel engines I owned were not using a bit of oil when working, then I would suspect they were topping their own sump up with unburnt distillate and get an oil analysis.
I remember a standby gen set, 2500 hp, whose operating instructions mentioned acceptable oil consumption up to 16 lbs./ hour under rated load. Two gallons or 9 litres. It did have a 90 gallon dry sump tank. Oil to be checked every shift.
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