Fluids advise
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Joined: Dec 2010
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Fluids advise
I asked for people's input a little while ago about what oil to run in the 7.3l and heard really great things about Schaeffer's products, learning quite a bit in the process. So now I am wondering what people think about transmission, differential, and transfer-case fluids? Anyone run Schaeffer there as well. It seems like if you do oil right these would be right down the same alley, just looking for some confirmation/other opinions...
Post Fiend
Joined: Feb 2007
Posts: 14,541
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From: Dallas-Ft. Worth
You can run Schaeffer in all the applications they make fluid for.
I personally run Syn Rotella, Syn Merc V (Mobil1) in the trans, Royal Purple Syn in the diff (all I could find in quantity needed at the time), Syn Merc V in the PS pump, and Valvoline Syn DOT 3/4 in my brake lines. I'm 100% synthetic fluids now. I also run aluminum complex grease in my bearings instead of lithium complex. Better moisture tolerance than lithium...
I personally run Syn Rotella, Syn Merc V (Mobil1) in the trans, Royal Purple Syn in the diff (all I could find in quantity needed at the time), Syn Merc V in the PS pump, and Valvoline Syn DOT 3/4 in my brake lines. I'm 100% synthetic fluids now. I also run aluminum complex grease in my bearings instead of lithium complex. Better moisture tolerance than lithium...
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
You can't go wrong with the Schaeffers products, we also have some oil experts here that agree. I run Schaeffers 7000 15-40 synthetic oil now and the rest of my truck is synthetic also with various brands, Vavoline(trans-transfer case), Royal Purple(rear diff.)Mobil 1 in the power steering exct.
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