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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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| 01/05/2009 | | Best Oil for Street Legal Drag Car | | Dear Mobil 1, I race a 700hp drag car that is street legal. The motor is a 505c.i. BB Mopar with solid lifter cam with .674 lift. I am currently using the Mercedes-Benz SLR spec Mobil 1 5W-50 oil. (9 ... |
| | If it isn’t broke don’t fix it. Stay with the product you are using and having good results with. However, if you want to see if you can get a little more power (who doesn’t), we recommend you try Mob... |
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| 07/01/2008 | | | The most important difference between a motorcycle formulation and an automotive formulation is that the automotive oils contain friction modifiers for improved fuel economy. Frankly, you are using 50... |
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| 05/05/2008 | | What's the Zinc Level Mobil 1 15W-50? | | 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 le... |
| | 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 (... |
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| 01/04/2008 | | | We have no information that the level of phosphorus in Mobil 1 Racing 4T is going to significantly shorten the life of your catalytic converter. Catalyst poisoning from Phosphorus is a well known issu... |
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