[DeTomaso] ZDDP - is this stuff any good?

[Dave Londry]

It says that in the chart too Jeff,
They haven't updated the chart for 15 months, and the containers are 
marked SM now.

I'm not using it undoped any more.
dave



Jeff Udelson wrote:
> From the Mobil 1 web site.
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> Ask Mobil
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> What's the Zinc Level of Mobil 1 15W-50?
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> Ask Your Stickiest Question. . . Or ask us something you’ve always wanted to know about using our products. We’ll sort through all the submissions and present the best questions to our automotive experts. We'll share the questions and their answers here.
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> Question: 
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> What's the Zinc Level Mobil 1 15W-50?
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> Hello, I read your answer about ZDDP and phosphorus levels. You even list the phosphorus level in your table, but you show no listing for the level of zinc. Other oil companies also list their zinc level. I would like to know the zinc content in your 15W-50 oil. I would like the level for the gold cap and the silver cap separately. I drive a car that is over 20 years old and the answer is important to me. Thank you, Jerry
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> -- Jerry Baer, Hollywood, FL
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> Answer: 
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> The important element here is the phosphorus since it is the active antiwear additive.  That's why we show phosphorus as well as zinc.  The zinc content is in the range of 0.12 - 0.13 weight percent (1200 - 1300 ppm). (Mobil 1 Extended Performance 15W-50 [gold cap] was discontinued about May 2009.)
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