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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

diff fuild

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Old Aug 5, 2010 | 07:32 PM
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Default diff fuild

01 4x4 SCREW

synthetic or not?


what weight?
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Old Aug 5, 2010 | 07:46 PM
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my 2001 takes 75w140 full synthetic with friction modifier,or you can run royal purple with no friction modifier.
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Old Aug 5, 2010 | 07:53 PM
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how much do I need? for the rear end? I guess i should do the transfer case too
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Old Aug 5, 2010 | 07:58 PM
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rear end will take 3 quarts and the transfer case takes about 2 quarts of ATF
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Old Aug 5, 2010 | 08:00 PM
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cool! thanks man
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Old Aug 5, 2010 | 08:03 PM
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no prob,this might help for the rest
http://wiki.answers.com/Q/How_much_o...in_a_2000_F150
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Old Aug 5, 2010 | 08:12 PM
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nice so i can run royal purple in the front diff too?
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Old Aug 5, 2010 | 08:18 PM
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I'm runnung royal purple in my whole drive line
motor-5w20
trans-max atf
transfer case-syncromax
front/rear end-max gear
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Old Aug 5, 2010 | 09:18 PM
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does it make difference in MPG? I think I might follow your lead!
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Old Aug 5, 2010 | 09:25 PM
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dont know yet i just did it but i can feel a difference going up hills and accelerating.
feels like it rolls easier
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