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<blockquote data-quote="Johnny O" data-source="post: 1001570" data-attributes="member: 61743">:btddhorse:I did a few 7500 mile oil changes instead of 5000 and got UOA&#039;s on them.&nbsp; Learned that Mobil 1 0w-30 Fuel Economy Formula is okay for 5000 miles, not so good for 7500.&nbsp; Pennzoil Platinum 5w-30 is fine at 7500 and good for more.&nbsp; Going to stick with Pennzoil.&nbsp; Thing is, and this is just me, if I&#039;m going to run the oil that long I&#039;m going to use a better filter, either Mobil 1 or K&amp;N because it has synthetic filter media instead of paper.&nbsp; So that&#039;s about $13 instead of $4 for a Motorcraft filter.&nbsp; Second, and more important, if I change at 5000 miles I don&#039;t have to add any oil.&nbsp; If I go 7500 I&#039;ll have to add a quart and a single quart of Pennzoil Platinum costs around $7 to $8 while a five quart jug goes for $22 at Wal-Mart (just got one today).&nbsp; So I&#039;m roughly at $86 to change the oil twice a year versus $78 to change it three times a year.And yeah, I know the Amsoil Kool-Aid drinkers are going to chime in, but that&#039;s not gonna happen.:btddhorse:</blockquote>

[QUOTE="Johnny O, post: 1001570, member: 61743"] :btddhorse: I did a few 7500 mile oil changes instead of 5000 and got UOA's on them. Learned that Mobil 1 0w-30 Fuel Economy Formula is okay for 5000 miles, not so good for 7500. Pennzoil Platinum 5w-30 is fine at 7500 and good for more. Going to stick with Pennzoil. Thing is, and this is just me, if I'm going to run the oil that long I'm going to use a better filter, either Mobil 1 or K&N because it has synthetic filter media instead of paper. So that's about $13 instead of $4 for a Motorcraft filter. Second, and more important, if I change at 5000 miles I don't have to add any oil. If I go 7500 I'll have to add a quart and a single quart of Pennzoil Platinum costs around $7 to $8 while a five quart jug goes for $22 at Wal-Mart (just got one today). So I'm roughly at $86 to change the oil twice a year versus $78 to change it three times a year. And yeah, I know the Amsoil Kool-Aid drinkers are going to chime in, but that's not gonna happen. :btddhorse: [/QUOTE]

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