Quote:
Originally Posted by huntinggr81
Best Diesel Fuel Conditioner = NO CONDITIONER - Just clean diesel fuel!
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X2
Im a firm believer in this, I had a 98 12v Cummins, put 400K on and never had to touch the engine (well fixed one oil leak), running a 2009 6.7L right now, at 160k and it has been perfect.