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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...
07/11/ 2008
Explain 'Time Release Additives' in Motor Oils
I've read a lot in the last few weeks regarding 'time release additives' in motor oils that suggest that some oil components only become active due to use, thus maintaining the engine protection for l...
Yes, almost all engine oils contain additives that could be described as time-release. This is clever advertising that highlights one of the properties that common antiwear additives exhibit. The anti...
Any Problem Running Motorcycle Oil in an Older European Race Car?
My older sports car came with 20W-50 from the factory. My mechanic recommends using 20W-50 Mobil 1 (V-Twin Motorcycle Oil) over the 15W-50 Mobil 1. Since this is a pre-catalytic converter era car he p...
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...
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 (...
Phosphorous Levels of Mobil Conventional Oils
You have a nice table that summarizes the Phosphorus content of all of the Mobil 1 synthetic oils. Please add a page or two to that table that gives the Phosphorus numbers for the regular Mobil oil, s...
In general all the mineral products are formulated to the latest ILSAC /API specifications, so that the typical phosphorus for all these products is 800 ppm. Unfortunately to get the higher levels of ...
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