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 | 01/05/2012 | | ZDDP Levels of Mobil Delvac | | What are the current ZDDP levels for Mobil Delvac 15W-40? Is it recommended for classic engines with flat tappet camshafts? |
| | Mobil Delvac 1300 Super 15W-40, which meets API CJ-4 performance standards, has a Phosphorus limit of 0.12 wt%. With respect to your question on slider tappets, Mobil Delvac 1300 Super 15W-40 meets C... |
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| 04/06/2010 | | | From an engine performance viewpoint, the API CJ-4 oil should provide adequate protection. But this heavy-duty viscosity grade has a higher level of phosphorus than typical ILSAC GF-5/API SN oils desi... |
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| 01/20/2010 | | Break-in Motor Oil for Small Block Chevy Engine | | I am looking for a break-in-oil for my small block Chevy. I have been looking at Royal Purple's break-in-oil and would like to find something less costly and that have most of the quality needed to br... |
| | We recommend you refer to our chart that shows the various levels of antiwear (zddp) in each of our Mobil 1 products. You’ll see there are various viscosity grades of Mobil 1 with higher levels of an... |
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| 01/12/2010 | | | Mobil 1 0W-40 is an outstanding product, and with the 40 grade high temperature viscosity it can help control oil consumption in higher mileage vehicles. As far as the higher phosphorus content and it... |
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| 10/06/2009 | | | The short answer is yes. Mobil 1 5W-50 has a higher level of phosphorus (zinc) preferred for older sliding valve trains in higher performance vehicles. |
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