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#2242883 - 04/25/11 03:05 PM Ford WSS-M2C945-A
Oscar_Ruitt Offline


Registered: 04/21/11
Posts: 44
Loc: Spokane, WA
How important is this specification for a Ford out of warranty vehicle? Are there actually tests and benchmarks the oil must meet beyond GF-5 for this specification? I know that Super tech does not claim to meet this specification, but is there any harm in short OCIs with Supertech 5w-20?
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2012 Mazda5 - 0w20 cheaptest synthetic, 6 MO OCI
1994 Olds Cutlass Cruiser Wagon 96K - 5w30 cheapest dino, 6 MO OCI

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#2243015 - 04/25/11 05:15 PM Re: Ford WSS-M2C945-A [Re: Oscar_Ruitt]
40Deluxe Offline


Registered: 02/28/10
Posts: 189
Loc: kansas
When that vehicle was built the oil requirement was probably gf-4 which super tech is.
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#2243033 - 04/25/11 05:38 PM Re: Ford WSS-M2C945-A [Re: Oscar_Ruitt]
Oscar_Ruitt Offline


Registered: 04/21/11
Posts: 44
Loc: Spokane, WA
It's an '07. I'm just wondering if there is really any value in the ford WSS- specifications.

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#2243034 - 04/25/11 05:40 PM Re: Ford WSS-M2C945-A [Re: Oscar_Ruitt]
Ken2 Offline


Registered: 12/02/02
Posts: 6066
Loc: Washington St.
Yes. In order for a 5W-20 to do the job, Ford designed a spec for a tougher 5W-20. Short oil drain intervals with cheap oil that doesn't meet spec is no savings. The right oil at specified ODI is the best bargain.
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Every gun that is made, every warship launched..a theft from those who hunger and are not fed, those who are cold and not clothed.
Gen. Eisenhower


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#2243119 - 04/25/11 06:52 PM Re: Ford WSS-M2C945-A [Re: Ken2]
Hallmark Offline


Registered: 10/28/10
Posts: 830
Loc: Pacific Northwest
Since you're already an MC user at 5K OCIs, I assume the only reason for your inquiry is the rationale of saving some $$ based on any cost difference between MC 5W20 (less than $3/quart) and SuperTech at a few cents less.

If the $$ difference is REALLY that important, you can assuredly rest easy using the SuperTech. The reality here is: you and your engine will never know the difference. Personally, I would (and do) continue to use the MC as specified for my Ford vehicles, but different strokes...!

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