Join Date: Dec 2012
Location: Sicamous, British Columbia, Canada
I've used DK in my Powerstroke and now in the Duramax. I know for sure it made a huge difference in the PS, the truck runs as smooth as the day I bought it. I haven't noticed any difference in the Duramax yet as to lost MPG or any power difference but, as mentioned, the extra lube never hurt anything! Here in Canada the fuel stations add winter conditioner to the diesel already and I've never had to use the "white" DK, and that's down to -25 temps at times...Sherm
2010 Sierra SLT 3500HD CCLB, Onyx black, Leer 700 Tonneau, Firestone Ride-Rite bags, Tork-Lift tie downs..