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Old 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)
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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.
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