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1999 - 2003 7.3L Power Stroke Diesel  
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Rear Diff Fluid

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Old Dec 17, 2011 | 07:40 PM
  #31  
BadDogKuzz's Avatar
BadDogKuzz
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Joined: Dec 2010
Posts: 2,951
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From: Gary,Indiana
I myself went though my Dana 80 last winter and did alot of reseach before buying diff lube and found that Mobil 1 Synthetic is your best bang for the buck. There were a couple others that tested out alittle better but cost 2x as much as the Mobil 1. A also added 6ozs of Motorcraft XL-3. The book calls for 8ozs.
I also put a chrome diff cover on it. My buddies say that Blackie (my truck) with DRW looks like a fat girl wearing a thong now. LOL She does!!!
 
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Old Dec 17, 2011 | 08:13 PM
  #32  
white Buffalo's Avatar
white Buffalo
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Joined: Sep 2006
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From: Sioux Falls, SD
Originally Posted by Bonanza35
Your probably right Rich. At least that is what I was looking for. Guys I know do love the Shaeffer products just hard to buy except in quanity. Changing the diff,. doesn't have to be done that often so 5 gallons is a waste for me. God Bless, Chet

Absolutely - I will probably have this bucket for another 5+ years. I wish they sold this lube in smaller quantities.

Merry Christmas!

 
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