what differential fluid

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Mar 5, 2018 | 10:37 PM

rmusante

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what differential fluid

What differential fluid should i use for a 96 f 150 4 speed overdrive(5 Speed) manual. 300 straight 6?

Mar 5, 2018 | 10:54 PM

ManualF150

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From: Vernon, NY

Use 80W-90 gear oil. If you have a limited slip make sure to add some XL-3 friction modifier.

Jun 19, 2018 | 05:21 PM

John2101F150

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If you want improved shifting always add friction modifier like Motorcraft XL-3. It is actually an anti-foaming agent!

Jun 19, 2018 | 06:44 PM

glc

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From: Joplin MO

What does a DIFFERENTIAL additive have to do with shifting?

The TRANSMISSION takes ATF, with no additives. Some people use GM Synchromesh oil instead.

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