I have run the two-stroke additive in all my Benz Diesels, and my Cummins N-14 engine. It does make things quieter. I basically is an upper cylinder lubricant, like Lucas, or USA Lube . . . but without the infector cleaner. It also ups the fuel mileage, as it reduces friction. But thank you for figuring out the mixing ratio. Makes it easier to figure out, and I guess I was wasting some in the process. And yes, I get the cheapest stuff they have at Walmart, by the gallon.

Torie

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1983 300D, the "Avocado"
1976 240D, 4-spd the "Pumpkin", SOLD to Pierre
1984 190D, 2.2L, 5-spd, my intro to MBZ diesels, crashed into in 2002