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Ford Raptor Forums - General Information
Ford Raptor Problems and Questions Forum
Differential fluid change - do I need friction modifier?
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<blockquote data-quote="R1jamn" data-source="post: 664733" data-attributes="member: 1793"><p><strong>Blackstone UOA Report</strong></p><p></p><p>I just received the Blackstone UOA report on the rear differential oil.</p><p></p><p>The Blackstone sample kit includes a sheet that will ask specific questions about vehicle and oil. </p><p>It also has a comment section. So I specifically asked Blackstone Labs..... </p><p></p><p>1.) I need to know if this is synthetic oil.</p><p>2.) I need to know the viscosity.</p><p>3.) I need to know if this oil has a friction modifier added.</p><p></p><p>Blackstone Labs cannot test base stock oils and cannot determine 100% if it is synthetic oil. But it does appear to be synthetic.</p><p>It appears the rear differential oil is 75w-140.</p><p>It appears to have some type of a friction modifier.</p><p></p><p>I will now proceed with changing out the stock differential cover with a Mag-Hytec cover and change the fluid to Amsoil Severe Gear 75w-140 synthetic oil.</p><p></p><p>Here is UOA Report.</p><p>[ATTACH=full]231237[/ATTACH]</p></blockquote><p></p>
[QUOTE="R1jamn, post: 664733, member: 1793"] [b]Blackstone UOA Report[/b] I just received the Blackstone UOA report on the rear differential oil. The Blackstone sample kit includes a sheet that will ask specific questions about vehicle and oil. It also has a comment section. So I specifically asked Blackstone Labs..... 1.) I need to know if this is synthetic oil. 2.) I need to know the viscosity. 3.) I need to know if this oil has a friction modifier added. Blackstone Labs cannot test base stock oils and cannot determine 100% if it is synthetic oil. But it does appear to be synthetic. It appears the rear differential oil is 75w-140. It appears to have some type of a friction modifier. I will now proceed with changing out the stock differential cover with a Mag-Hytec cover and change the fluid to Amsoil Severe Gear 75w-140 synthetic oil. Here is UOA Report. [ATTACH=full]231237[/ATTACH] [/QUOTE]
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Ford Raptor Forums - General Information
Ford Raptor Problems and Questions Forum
Differential fluid change - do I need friction modifier?
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