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 | 06/15/2009 | | Keeping Oil Pressure Up in a Chevy Truck | | My daughter has a '98 Chevy 4x4 truck with 127,000 miles on it. After the oil gets hot, the oil pressure drops to around 20 lbs. She runs 5W-30. Short of rebuilding the engine, would it help to run hi... |
| | It is not unusual for a higher mileage vehicle to run at lower oil pressure and this alone should not be of any concern. This is primarily due to larger clearances due to normal wear and tear. We reco... |
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| 04/27/2009 | | Is Mobil 1 15W-50 Okay to Use in a Ford F-150? | | I purchased a 1992 F-150 with a 4.9 I-6. The vehicle has 143,000 miles on it and runs well. The service history shows oil changes that include the use of 10W-30, 5W-30, 10W-40 and 20W-50 but never syn... |
| | In hot climates like south Texas, Mobil 1 15W-50 would be a great choice as it will provide the durability you are looking for. Mobil 1 is an excellent choice for high mileage vehicles. If you want to... |
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| 12/30/2008 | | Oil for a Pontiac Grand Am GT1 | | I have a 2001 Pontiac Grand Am GT1. It's one of 525 that came from the factory with the 75th Anniversary Edition package installed on it. Love the car. But I have had a problem that it seems like a lo... |
| | We recommend you use Mobil 1 10W-30 or Mobil 1 5W-30. Both meet GM4718M, which is the highest lubricant performance specification for GM vehicles. It is absolutely safe to run a synthetic oil in an o... |
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| 09/09/2008 | | | You can stay with the semi-synthetic and use Mobil Clean 7500 which provides guaranteed protection for 7,500 miles or six months, whichever comes first. Obviously, a full synthetic like Mobil 1 High ... |
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| 06/28/2008 | | | Either Mobil 1 viscosity grade will provide outstanding protection and performance. For an older vehicle there is a occasional benefit sometimes in using higher viscosity grade oil especially if you a... |
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