Detroit 60 Series 14.7 Oil Consumption

Or he was lying about it not burning oil... But, I have heard of this before. Some engines just don't like certain brands of oil. Also, make sure you are not over filling it. Some engines will burn down to a certain level and stop, so don't re-add unit the oil reaches the "add" mark.

 

I bought a truck in October with 12.7 Detroit. It would always use 3 gallons for 12k miles of Mobile oil.
Last oil change I switched to Rotella and it only used 1.5 gallons

 

I'd double check that you are not losing oil somewhere else, air tanks, coolant, leaks, etc.
I've got a 14L with 1.23 million miles and no overhaul. Last year was burning about a gallon every 8-10k miles, now I'm closer to every 6k miles. Oil samples still great, no smoke, no internal leaks.

 

Where do u get your oil samples done?

 

I have heard of these type problems and will share one of my experiences. Shop was using brand X. Changed brands due to a new large customers preference. Another customers truck started using a lot of oil. It was not high mileage but had oil stains down the exhaust and all over the back of the cab. They talked about building it and trading it. Kept running it as it was local anyway. In about a year it stopped using oil just like it started.
I have read of different additive packages causing this type of problem. On the other hand I have seen other people that bought what ever was on sell and have no problem.
While not understanding how that works with todays oil it was common if someone changed over from nondetergent oil. Prefer to stick with the same brand and weight myself.
Not really an answer but maybe try something else. Check the turbo outlet.

 

Horizon/Polaris.

 

Blackstone labs is a good place to oil analysis done.