Motorcraft 5/20

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I just wondered if this is Motorcraft oil and if it is clear to Ford owners.
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A new TSB (Technical Service Bulletin) on oil has been released by Ford.

TSB 01-4-7 pertains to the recommended Engine oil in many new Ford and Lincoln/Mercury vehicles. Specifically, it addresses the use of the new 5W-20 engine oil formulation.

Many SHO owners and club members have asked about using the new oil in their SHO engines.

This TSB lists dozens of engines and vehicles specifically that are approved for use with the new oil. The 1996-2001 Taurus is listed, but if you go into the TSB where they list the specific MOTORS approved for use, the SHO 3.4L V8 is NOT mentioned. The Taurus 3.0L 4V and Vulcan engines are approved for use with the new oil, but the 3.4 V8 is conspicuous in its absence.

This might be an oversight, but the TSB does list those 2001 model year vehicles that are NOT supposed to use the new oil. In this list is the Lincoln LS 3.9L V8, along with the 2.5L Ranger, 3.3L Villager, 4.0L Ranger, Explorer/Mountaineer, Explorer Sport, and Explorer Sport Trac, and the 5.0L Explorer/Mountaineer.

The 3.9L LS motor is very close in design and application to the 3.4L V8 so I don't think this is an oversight. If you want to move this to articles that may be where it should be.
 
quote:

Originally posted by dropitby:

This might be an oversight, but the TSB does list those 2001 model year vehicles that are NOT supposed to use the new oil. In this list is the Lincoln LS 3.9L V8, along with the 2.5L Ranger, 3.3L Villager, 4.0L Ranger, Explorer/Mountaineer, Explorer Sport, and Explorer Sport Trac, and the 5.0L Explorer/Mountaineer.

I know that the 4.0s are not supposed to use the 5W-20, but if I'm not mistaken, Ford did spec 5W-20 for the 5.0 V8s.
 
Certain 5.0 motors are approved for 5w20. I suspect that the less popular engines, like the SHO, were never tested by Ford for durability with the 5w20. Testing costs money. Cost/benefit for testing these rare engines just wasn't there.
 
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