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Old 07-10-2014, 05:30 AM   #15
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I use Mobile 1 5w20 in my 2000 v10. I have 23,000 on it so I try to keep it within the Ford specifications. I use the Ford filter also.

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Old 08-03-2014, 06:00 PM   #16
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Originally Posted by boogerman View Post
Asking for suggestions, I have a 2000 class c with V10 triton engine it has 42,000 miles on it. I have only had it a short time and it is about do for a oil change.I have no idea what type oil was put in by the last owner. I am wanting to run a 100% Mobile one Synthetic oil. But can't make up my mind weather to run 5W20 or 5W30. Leaving in Aug for about a 1800 mile trip.
Synthetic will take a lot more heat without burning or caking, but no matter what you use I would add STP. I have worked on turbines and generators for forty + years and with STP on the bearings one man can keep a 180 ton rotor turning with no problems.

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Old 08-04-2014, 10:07 AM   #17
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Ford dealer here in Cary said to use the Ford Synthetic Blend 5-20
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Old 08-04-2014, 10:54 AM   #18
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Originally Posted by seb1899 View Post
Ford dealer here in Cary said to use the Ford Synthetic Blend 5-20
That is because it is Motorcraft brand, and it is a synthetic blend. Better than straight conventional, but not a full synthetic either. It is good oil, use it if you want. If doing the oil change yourself, Wal Mart sells the Motorcraft 5W-20 cheaper than anywhere else.

I have used that Motorcraft 5W-20 blend in my wife's Ford Edge for many changes, it has been fine.
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Old 08-07-2014, 11:38 PM   #19
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I have switched over to mobil 1 on just about everything I own. I still change at 3000 miles which I know is excessive and probably a wast of money but It makes me feel confident that everything will last and stay in tip top condition. You can't put a price tag on piece of mind. The key with the ford is to run the 5w-20. The tolerances are much tighter than they use to be, you don't want to move up to a higher viscosity.

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