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 | 07/07/2009 | | | You can use a premium grade Mobil 1 synthetic oil for this high performance vehicle. You can see that a number of manufacturers use Mobil 1 as Factory Fill. It will certainly provide a number of perf... |
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| 02/24/2009 | | Must 5W-20 be Used in HEMI MDS Engines? | | Is 5W-20 still the choice grade for 5.7 HEMI MDS engines under extreme temperatures? The Owner's Manual and related TSBs all state that 5W-20 must be used whereas pre-MDS HEMIs were recommending 5W-30... |
| | We recommend you follow the recommendation in your vehicle's owner's manual. If you are concerned about durability due to higher temperatures, then going to a higher viscosity grade would provide a be... |
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| 08/12/2008 | | | The temperatures you are seeing are quite high but not surprising. There are a couple of things you can do to protect the turbo from coking. You are already doing the first thing we would recommend w... |
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| 06/25/2008 | | | A turbo does put extra stress on motor oil but it sounds like you made the right choice even before the turbo was installed. That is, you are already using high quality synthetic oil by choosing Mobil... |
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| 05/10/2008 | | | Oxidation due to extreme high temperature is one of the biggest enemies of engine oil life. Fortunately you were using Mobil 1 when the vehicle overheated. Your oil sensor is probably programmed to in... |
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