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Sedans Ford Crown Victoria/Mercury Grand Marquis Ford Crown Victoria/Mercury Grand Marquis General Maintenance
102 messages, Last post on Oct 10, 2009 at 5:59 PM
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iusecad: thanks tritium: my 04 Crown Vic 4.6L calls for 5W-20, but I use Castrol Synthetic 5W-30, same as I use in my 04 Ram Hemi...I fail to use how a 30 weight when hot can hurt the engine in place of the reco 20 weight...besides, is the actual difference even noticeable from 20 to 30 weight???...maybe in the cold tundra of Alaska/North Dakota and Montana, but in Georgia winters, where the temp spends two weeks below freezing and we call that "cold?" |
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| I'm going with 5w30 synthetic in my Grand Marquis - I use 5w20 only in the winter, at best. It is just too thin for my tastes. | |
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Replying to: jsylvester (Mar 11, 2006 10:02 pm) 
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Replying to: johnclineii (Mar 12, 2006 5:23 am) 
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Replying to: johnclineii (Mar 12, 2006 5:23 am)
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Replying to: jsylvester (Mar 12, 2006 5:52 pm)
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I drive a 2000 Grand Marquis 56-thousand miles. I currently average 24-26 MPG Highway. Tires at 34 PSI Mobil 1 5w-20 synthetic, any other ideas how to squeeze a few more extra MPG? Is Ford's 100.000 mile tune up good should I do sooner?
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Replying to: fscarano (May 05, 2006 9:37 am)
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Replying to: euphonium (May 05, 2006 12:36 pm) |
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Replying to: fscarano (May 05, 2006 9:37 am) I'd say that MPG isn't too bad, though, for a 6 year old car.
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