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Joined: Sep 2002
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OP
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Has anyone else heard of Ford now recommending running 5W-20 in 2.5L without any problems and in fact adding a couple of horses?
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Joined: Sep 2000
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I'd personally rather take the extra protection at high rpms then the extra few tenths of MPG or HP/TQ.
Besides Mobil 1 5W30 (or any synthetic) will already have less parasitic loss then any conventional or semi-synth 5W20 will.
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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Joined: Sep 2002
Posts: 17
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I ran 0W-30 synthetic in my 'tour last time, has anyone else used this(Mobil one. fully syn.)?? Just wondering. It should kill start-up wear even more so.
99 Silver SVT Contour. Run o' the mill mods.
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Joined: Jun 2001
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Let me put it this way: when I changed the oil in mom's 01 ZX3, I used Mobil 1 5W-30 even though it came factory filled with Motorcraft 5W-20.
Ford is using the 5W-20 to improve CAFE averages and sell more oil - I'm not sure any other brand has a 5W-20 on the market yet, but I see Motorcraft 5W-20 on the shelves in some places.
It is my opinion that this is at the cost of long term reliability, so I'm not buying.
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Joined: Jul 2000
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We use 5w-20 oil made by Noco, and we charge $5 extra.
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Joined: Sep 2000
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Ford has published a chart for the dealers with their latest recommendations on oil viscosity. It is true that they recommend 5/20 on all Duratec engines. If you have had your oil changed recently in a Ford dealership it is very likely that they used 5/20. There are not very many engines in the Ford product line built in the last 10 years that are not on the 5/20 list (a noticable exception is the Focus SVT).
Although I am not aware of any problems from using the new oil, I'm also a little gun shy. I still use 5/30 in mine.
For what it is worth, the Motorcraft 5/20 is a synthetic blend (semi synthetic?) while the Motorcraft 5/30 is not.
Jim Johnson
98 SVT
03 Escape Limited
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Joined: Sep 2002
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I've seen 5W-20 in almost all parts stores now. Its not a synthetic blend(unless thats what you want, its availible). ITs availible from most oil manufacturers. The Duratec was designed to run a light oil, and i think this change was due to cold start wear. I used to get alot of cam noise starting up every morning for about 4-5 sec. until the oil got up there, i think the thinner oil should cut that time down to just a sec or two.
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Joined: Sep 2002
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5W-20 has no more or less protection than 5W-30. The last number only deals with viscosity at LOWER temperatures. High revs have nothing to do with it. However, a cold engine has more HP with 5W-20 because the crank can sling it around easier.
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Joined: Sep 2002
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I wouldn't run 0W-30 in anything I owned unless i lived in Alaska. Thats running too dangerously thin an oil. Good luck on engine longevity.
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Joined: Sep 2000
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Originally posted by ajdulina:
I used to get alot of cam noise starting up every morning for about 4-5 sec. until the oil got up there, i think the thinner oil should cut that time down to just a sec or two.
What oil filter are you using?
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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