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I used stanadyne performance formula since the truck was new.
I switched to opti lube XPD a couple of months ago.
I notice no difference.
I think I will switch back to stanadyne mainly because the opti lube XPD they say to use twice as much in the winter.... Or maybe use XPD in the summer and stanadyne in the winter. We have had a couple of cold winters and I had no issues with the stanadyne.
IIRC, I think Tom (Crazy001) contacted them and determined the PS Diesel Kleen does not contain emulsifiers and is good to go for the 6.7.
I am sure Tom will confirm shortly.
Thanks
I'm not sure which products contain emulsifiers but I do know that most of the PS products do. Hopefully the diesel kleen does not have emulsifiers as I've heard it's a good product to use.
Either way, whichever additive anyone chooses to use, just make sure it does not contain emulsifiers and you should be good.
I would like to use Stanadyne but I would have to order it online and have it shipped....DieselKleen is everywhere i have looked for it.....Walmarts, truckstops, parts stores, and some gas stations.
Thanks for the links. Maybe it was the older formula of Diesel Kleen that contains emulsifiers, maybe I was just simply misinformed. I do know the 911 additives do contain emulsifiers though.