Quote:
Originally Posted by mt454casull
Hey,
I am a new diesel owner having just bought a 2004 f350 6.0, and I was just trying to figure out what the best oil to use is without going broke. I have been told that redline is the best, but man they don't give that stuff away. Does anyone have anything bad to say about just running motorcraft oil and changing it often.
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I ran MC 15W-40 for the first 30k in mine, but I've since switched to Schaeffer's. The MC seemed to do OK, although my UOAs were not exactly stellar. Wear metals were sometimes a little on the high side, but that might just be my engine. It would also shear down into the 30W viscosity range by 3500 miles or so. Just change it frequently and you should be fine.
I got the 5 quart jugs of MC 15W-40 for $10 at Advanced Auto.
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2004 F-250 Lariat CC, Short Bed, 4x4, 6.0L, TorqShift, FX4, Metallic Green/Arizona Beige, Medium Parchment Leather, Fumoto, B&W Turnover, A.R.E. LSX Tonneau, Built 4/01/04
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