Forums » Classic Cars » Oil With Zinc 1 2

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  Aug. 3, 2010 8:55 a.m. Leo Basile Reader

  So, I was talking to the Agip oil guy at the Pittsburgh Vintage GP and he says what I want is their diesel oil! Whats that all about?

  Does anybody use diesel oil in the gas motor?

  Leo

  "Simplificate the design and add lightness" Kelly Johnson on the SR-71

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  Aug. 3, 2010 10:00 a.m. VClassics Reader

  Diesel oil was a good workaround until two or three years ago, when the amount of ZDDP was reduced in those, too. Diesel oil rated CI should have adequate levels, CJ probably does not.

  I use Valvoline All Fleet 15W-40, which is a "universal" oil rated SL for gasoline engines and CI for diesel. It has something like 1200 ppm ZDDP, which is just fine for flat tappet cams. Most parts stores carry it.

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  Aug. 4, 2010 10:24 a.m. spitfirebill Dork

  Trevor wrote: I'd go with Mary Ann ... thinking with my "dipstick"

  No! Thinking with your dipstick would be Ginger. Thinking with the big head would be Mary Ann.

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