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Old 09-03-2010, 12:58 AM   #1
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Default 0w-20 mobil one

Has anyone tried the new 0w-20 mobil one? I have a 2002 Screw. Can i run it in my 5.4l? It says it meets all 5w20 specs on the bottle. Just curious if i can use it or not and if its any good?
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Old 09-03-2010, 07:53 AM   #2
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All mobile one synthetic oil is good. If you use 0w20 it's not going to make your truck implode or anything. It's up to you what oil you want to run. But you know what's recommended.
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Old 09-03-2010, 08:54 AM   #3
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"The lower the viscosity, the more wear will inevitably occur. This is why it is best to use the proper oil viscosity recommended by the auto manufacturer as it will protect hot and at cold start ups. Obviously a 10W-10 motor oil won't have the film strength to prevent engine wear at full operating temperature like a 5W-20, 10W-30 or 5W-30 motor oil for example."

But there is little difference in 0W-20 and 5W-20.
Actually the viscosity rating is meaningless for true synthetics like Mobil since they do not require viscosity and rely on synthetic molecules to lubricate.

Mobil use to be (and probably still is) the only true synthetic type IV PAO oil so it is the best.
I agree, the best advice is to stick to what is reccommended by Ford synthetic or not.
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Old 09-03-2010, 12:15 PM   #4
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yea you can run it if you want. there are a lot of people starting to run that up here in the winter cause it helps startups on the cold mornings. but if you live in an area that really doesn't get that cold i'd just run 5-20.
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Old 09-03-2010, 05:13 PM   #5
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Default Government Regs:

5W20 is used to decrease oil pumping losses in the engine to help maximize efficiency to effect minimum fuel mileage requirements mandated by fed gov.

The 0WX grades are thin, thin, thin at low temps and will pump up and through a cold-start system very rapidly, a good thing.

I won't try to bypass Ford engineers; they know what they're doing, but everything is a compromise. For my comfort I'd start using 0W30 or 5W30 full synthetic. Every bit of information I've seen dealing with engine longevity indicates use of the slightly heavier grade of oil for best service life.
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Old 09-03-2010, 11:50 PM   #6
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Ya'll know the W means Winter not Weight right?
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Old 09-06-2010, 12:17 AM   #7
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""The lower the viscosity, the more wear will inevitably occur. This is why it is best to use the proper oil viscosity recommended by the auto manufacturer as it will protect hot and at cold start ups. Obviously a 10W-10 motor oil won't have the film strength to prevent engine wear at full operating temperature like a 5W-20, 10W-30 or 5W-30 motor oil for example.""

This is true for petroleum based oils. True group IV oils have changed this though.

Example, I own a VW tdi. Many people on the TDI forums have shown measurable more wear on their cam lobes using a heavier 5w30 oil in their car vs. a 0w30 oil (of a higher spec, vw 505.01 vs. vw 506.01). The shear temp/pressure is more important than the weight in synthetic oil, and even that isn't everything. The TDI engines have 50+ psi on their cam lobes in the PD type engines. I would expect similar to lesser pressures on ours (we aren't running 18.5/1 compression with 17 psi boost).
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Old 09-07-2010, 03:02 PM   #8
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Rangerboy - It really depends on where you live. If you live down South I would stick with Ford's suggestion in my case it would be 5W20 synthetic blend or synthetic for light use or 5W30 for heavy duty use, if you live in North Dakota 0W20 would make sense during the winter. It never gets to 0 where I live so there would be no point in 0W20 for me.
Next oil change I am going to buy the oil and filter from my Ford dealership since the parts guy and my mechanic friend work a lot with truck fleets and know what is best. They also get TSB's from Ford on oil issues. I will pay a few dollars more for the advice and to save my engine which is perfect so far.
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Old 10-28-2012, 11:39 AM   #9
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yes use 0W20 it will help your cold starts even in hot areas.

read this and you will know all about it http://www.bobistheoilguy.com/motor-oil-101/
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Old 10-28-2012, 11:39 AM
 
 
 
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