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Old 09-30-2011, 06:56 AM
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Oil change question

Just bought a 97 with 155k. The seller had all maintaince history and changed every 5k. Talking to other Ford owner yesterday and he said it would be better to switch to synthetic oil and change every 10k. Good idea or not.
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Old 09-30-2011, 07:42 AM
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if you can aford it! its not cheep,
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Old 09-30-2011, 08:44 AM
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Synthetic is eons better than conventional dino oil. I would NEVER use dino oil in any of my diesels. Come to think of it, if for some reason I'd ever buy another gasser, I'd probably not use dino oil in that either Rotella synthetic is good for 20k or so OCI's.
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Old 09-30-2011, 09:10 AM
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85_305 do you do a filter change between full oil changes? I wouldn't want an oil filter on for 20k
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Old 09-30-2011, 09:25 AM
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Nope just swap filters when I change oil.
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Old 09-30-2011, 09:26 AM
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I wouldn't run ANY oil past 5k with out a bypass filtration system. 20k is just rediculous.
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Old 09-30-2011, 12:01 PM
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I wish I could find where it says on Shell's site that 20k is fine and I think a little longer for the dmax or cummins or something like that, I just dont have time.

FYI, Volkswagen states that my 'regular oil change intervals' on my TDI is 10k miles. Thats what the owners manual as well as the dealership will tell you.

For what it's worth, people have done oil analysis on our TDI's after 20k miles and the oil still comes back as being in excellent shape.
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Old 09-30-2011, 12:04 PM
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Quote:
Originally Posted by 85_305 View Post
I wish I could find where it says on Shell's site that 20k is fine and I think a little longer for the dmax or cummins or something like that, I just dont have time.

FYI, Volkswagen states that my 'regular oil change intervals' on my TDI is 10k miles. Thats what the owners manual as well as the dealership will tell you.

For what it's worth, people have done oil analysis on our TDI's after 20k miles and the oil still comes back as being in excellent shape.
I would never run oil that long in an HEUI engine. the oil sheer is rediculous. your injectors will hate you. synthetic or otherwise.
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Old 09-30-2011, 12:54 PM
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I do mini I n synthetic every 7-10k where you stationed at anyway usmc?
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Old 09-30-2011, 03:02 PM
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Quote:
Originally Posted by Buffalo444 View Post
I would never run oil that long in an HEUI engine. the oil sheer is rediculous. your injectors will hate you. synthetic or otherwise.
More on this?
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