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Re: DD Series 60 engine oil in fuel
Posted to HD/Fleet Forum on 12/2/2020 1 Reply

Is it possibly soot? Having any starting or performance issues?

I had trouble with a 12.7 of that vintage that would occassionaly stumble or quit under load. Turns out an injector wasn't sealing properly in the cup and allowed compression into the fuel. Fuel... Login to read more.

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