Compression Ignition Addict
Join Date: Aug 2009
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First off. Welcome to the addiction.
and well....Any #2 you find is going to be ulsd, even the off-road stuff is mostly ulsd, just dyed. And as far as the additive, it is useful on the 6.0 especially to help keep the injectors lubed good, the additive keeps them a little cleaner. I use diesel kleen, currently grey bottle, but will be in the white bottle early next month. I like it, dont really notice any performance gains, but a little on the mpg. Someone that know a lot more will chime in shortly.
2006 Mega Cab Cummins, 6-speed. Stock