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Re: Fuel additives
I think there was a discussion on using atf as a fuel additive recently, maybe on the "General Diesel" thread, but not sure.
The new labeling regs require that any product designed as a fuel additive must state on the label whether they meet the specs for the new ulsd fuel. No doubt there is old inventory on store and truckstop shelves that was produced before the new regs, so I'm sure there's not 100% compliance. Check the label on the PS bottle to be sure.
And since atf isn't designed to be a fuel additive, it doesn't require any such labeling.
I can't see how it would hurt lubricity, but since the cetane number on atf is so much lower than diesel, using too much of it could make your engine run sluggish.
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