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post #1 of 9 Old 03-22-2009, 02:01 PM Thread Starter
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Question Diff fluid

What is the best synthetic diff fluid. was thinking of going with redline? please help me out fellas. thanks.

Built engine, rods, pushrods, cam, springs. Meth, turbo, injectors, fuel system, oil system. 3 disk billet, billet shafts built trans, 6.0 IC, exhaust, intake. Latter bars, gears, system, tint, HIDs. You know the typical stuff to make a 7.3 get out of its own way... dont brake.
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post #2 of 9 Old 03-22-2009, 02:02 PM
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+1 on redline!

'99.5 F-250 SD PSD CCLB 4X4
Terminator Engineering, aFe, Airdog, Aeromotive, Skyjacker, Pink Stallion, Toyo M/T's, Fuel Octane 20x12's, Garrett, Banks, Diamond Eye, TransGo, Rockford Fosgate, Pioneer, Dp Tuner F6 Live, Aeroforce, BD Diesel, '11 Bed, '10 Bumper,'11 Tailgate, '05 HD heads, HID's, KC's(HID), Home-Made Traction Bars, 4KW Gear Reduction Starter, Ya know.... The Usual.....

Your gunna have to climb over a smokin pile of brass to get my guns!!
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post #3 of 9 Old 03-22-2009, 02:08 PM Thread Starter
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i run redline in my cr500. crank case and mix. pretty good stuff. I hear a lot of good things about them. its either redline or motorcraft unless some people who actually know differences in oil chime in.

Built engine, rods, pushrods, cam, springs. Meth, turbo, injectors, fuel system, oil system. 3 disk billet, billet shafts built trans, 6.0 IC, exhaust, intake. Latter bars, gears, system, tint, HIDs. You know the typical stuff to make a 7.3 get out of its own way... dont brake.
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post #4 of 9 Old 03-22-2009, 02:40 PM Thread Starter
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are you guys haters? or out of the 50,000 plus members of this websight, no one knows what is a solid fluid? I know you guys have changed your diff fluid. common now help me out. I want to do it today.

Built engine, rods, pushrods, cam, springs. Meth, turbo, injectors, fuel system, oil system. 3 disk billet, billet shafts built trans, 6.0 IC, exhaust, intake. Latter bars, gears, system, tint, HIDs. You know the typical stuff to make a 7.3 get out of its own way... dont brake.
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post #5 of 9 Old 03-22-2009, 05:53 PM
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Redline is what I use. Great stuff.
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post #6 of 9 Old 03-22-2009, 06:16 PM Thread Starter
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how long have you ran it.

Built engine, rods, pushrods, cam, springs. Meth, turbo, injectors, fuel system, oil system. 3 disk billet, billet shafts built trans, 6.0 IC, exhaust, intake. Latter bars, gears, system, tint, HIDs. You know the typical stuff to make a 7.3 get out of its own way... dont brake.
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post #7 of 9 Old 03-22-2009, 07:06 PM
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I change all the fluids once a year(well, oil every 5k). I've been doing that since new. I know its overkill, but the rear gears look like new. For awhile (4yrs) I pulled a 40ft toyhauler all over the place, so the rear gears got a workout back then. No problems as of yet and don't expect any...Truck is an '01..
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post #8 of 9 Old 03-23-2009, 09:00 AM Thread Starter
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cool sounds like red line is what im doing.

Built engine, rods, pushrods, cam, springs. Meth, turbo, injectors, fuel system, oil system. 3 disk billet, billet shafts built trans, 6.0 IC, exhaust, intake. Latter bars, gears, system, tint, HIDs. You know the typical stuff to make a 7.3 get out of its own way... dont brake.
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post #9 of 9 Old 03-23-2009, 09:27 AM
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i got Amsoil in my diffs !!!

-Mike-
2006 F-350 Lariat, Supercab, 6.0L, 3.73's...Rhinolined Bed...6 Spd Handshaker...Mag-Hytec Diff. Covers...Smoked Recon Lights...Amsoil oils front 2 back...Optima Yellow Tops...MBRP 5" ST8 Pipe, Turbo Back...Dieselsite Coolant Filter...Amsoil/Injen CAI...SCT SF3 Canned Tunes 4 Now...CFM Intake Manifold and Boost Tube...Blue Spring Upgrade...Edge Insite CTS !!!
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