4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

oil weight

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Old 09-07-2009, 11:59 AM
  #1  
liljojo4711
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Default oil weight

my car has 195000 miles. i think its burning a little bit of oil. should i switch from 5w-20 to 10w-40?
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Old 09-07-2009, 05:11 PM
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liljojo4711
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no one knows anything about oil weights and high mileage cars...
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Old 09-07-2009, 05:28 PM
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lizzyfan
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Check it out http://www.bobistheoilguy.com/
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Old 09-07-2009, 06:56 PM
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TheMustang
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I have a 99 GT also and it has a sticker that calls for 5w-30. It's not going to hurt it.
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Old 09-07-2009, 07:39 PM
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mustangman03
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I run 5w30 in mine and its got 120,000 miles on it
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Old 09-07-2009, 07:53 PM
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TheMustang
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I wouldn't use anything more than 5w30. Our motors have tighter clearances than an older motor. Thicker isnt always better.
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Old 09-07-2009, 08:23 PM
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WannaBeGearHead
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You might find more info in the OIL AND OIL RELATED section of the forum. But that wouldn't be a very good place to post an oil related question lol I kid!
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