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#1 |
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Newbie
Join Date: May 2010
Posts: 30
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Differential Fluid Type Advice Needed
I am preparing to perform a diff service on my 87 Notch. I am finding 2 different answers when I ask what fluid type I need. I have been told to run regular 80-90 with the trans x posi trac additive, and i have others telling me to run 80-90 synthetic hypoid. Not sure which to run and I dont want to put the wrong stuff in there! Any advice would be great
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#2 |
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MM Fanatic
Join Date: May 2007
Location: Bloomington, IL
Posts: 4,737
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regular gear oil with the ford friction modifier works great.
__________________
88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it
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#3 |
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Hardcore Enthusiast
1989 Black LX---Turbo
Join Date: Jun 2010
Location: just outside Minot, ND
Posts: 1,153
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^I second that!
__________________
89 LX Black, Boss 331, C4,T76BB, FAST EFI 82 Capri RS,89 5.0 HO,Comp XE266,TW 170,T5,etc. 73 Dart Sport 340, 410ci Bracket Brawler 72 Demon 340 4-speed 1 of 1667 01 Ram Quad Cab 03 Grizzley 660 |
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#4 |
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Newbie
91' GT
Join Date: May 2010
Location: Linden, MI
Posts: 9
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3rd it. Just put a Truetrac in mine, and DTS ( Drive Train Services ) recommends the dino oil rather than syn. Obviously I don't need to friction modifier, but I'm going to stay with the petroleum based lube.
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#5 |
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Newbie
Join Date: May 2010
Posts: 30
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Cool. Second....I have about half of a 7 oz. tube of the Trans X brand stuff. Should that be enough? I think total capacity for the diff is 2.25 qts
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#6 |
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Newbie
Join Date: Sep 2010
Posts: 22
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what weight? friction modifier?
__________________
2001 SVT COBRA #1249 of 3867 silver metallic1988 MUSTANG LX 5.0 VERT. BLACK |
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#7 |
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Hardcore Enthusiast
1989 Black LX---Turbo
Join Date: Jun 2010
Location: just outside Minot, ND
Posts: 1,153
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Good old 80w90 gear lube, and I would recommond genuine Ford friction modifier, that can be had at any Ford dealer or ebay!
__________________
89 LX Black, Boss 331, C4,T76BB, FAST EFI 82 Capri RS,89 5.0 HO,Comp XE266,TW 170,T5,etc. 73 Dart Sport 340, 410ci Bracket Brawler 72 Demon 340 4-speed 1 of 1667 01 Ram Quad Cab 03 Grizzley 660 |
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