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Hersbird · 03-26-2017, 10:59 AM

Even with newer common rail 5.9 Cummins it seems safe to use a little 2 cycle oil or standard ATF in the fuel occasionally. I wouldn't buy the magic wonder oils with their much higher prices.

03-26-2017, 10:59 AM	#4 (permalink)
Hersbird Master EcoModder Join Date: Feb 2014 Location: Missoula, MT Posts: 2,152 Dark Egg - '12 VW Touareg TDI Sport AWD 90 day: 25.81 mpg (US) Thanks: 194 Thanked 905 Times in 622 Posts	Even with newer common rail 5.9 Cummins it seems safe to use a little 2 cycle oil or standard ATF in the fuel occasionally. I wouldn't buy the magic wonder oils with their much higher prices.