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 | 07/30/2010 | | What are Friction Modifiers? | | Please explain what Friction Modifiers means? Example: Mobil 1 Synthetic Gear Lube LS 75W-90. So LS means it has more Friction Modifiers. Does "Friction Modifiers" mean it has more slippery for LSD's ... |
|  | Friction modifiers are designed to do what the name implies, they modify friction. In the case of a Limited Slip Differential (LSD), the friction modifiers are designed to modify the friction characte... |
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 | 05/29/2010 | | Clarify Comments on Use of GL-5 vs. GL-4 Gear Oil | | Concerning the GL-5 gear oil, on your website you state the following: "Mobil 1 Synthetic Gear Lubricant LS 75W-90 can also be used in rear axles where API Service GL-4 lubricant is recommended." Howe... |
|  | There are transmission applications that recommend API GL-4 type products where we would not recommend using an API GL-5 fluid because transmissions typically have components made from “yellow” metals... |
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 | 02/22/2010 | | Is There a Gear Lube Specific to GL-4? | | My vehicle is a 1992 Nissan 300zx and requires a single GL4 gear oil in the manual 5-speed synchromesh tranny. Does Mobil make a synthetic gear lube that is a specific GL4? I read on the label of some... |
|  | API GL-5 gear oils can be acceptable for differentials but generally are not recommended for transmissions because a GL-5 gear oil has twice as much Extreme Pressure additive for GL-5 quality gear pro... |
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 | 02/15/2010 | |  | Unless the transmission specifically recommends an API GL-5 fluid for your transmission, it should not be used. GL-5 gear oils are designed for gears that require a high level of EP (Extreme Pressure)... |
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 | 09/23/2009 | | Gear Lube Effect on Transmission Brass Components | | In regard to the Mobil 1 Synthetic Gear Lube LS 75W-90 Gl-5 LS gear oil. Does the statement "Excellent rust, staining and corrosion protection of copper and its alloys" mean that the additives in the ... |
|  | Nissan recommends a GL-4 type gear lubricant for your Pathfinder. Mobil 1 Synthetic Gear Lube is an API GL-5 gear oil and would not be recommended for your manual transmission. |
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