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Rear Diff ... what weight oil?

Discussion in 'Ford Raptor Exterior Forum [GEN 2]' started by Raptor911, Jul 20, 2019.

  1. Raptor911

    Raptor911 FRF Addict

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    Ford recommends 75W-140 for the rear diff but Amsoil's site recommends 75w-90?
     
  2. Raptor911

    Raptor911 FRF Addict

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  3. niclarsen

    niclarsen Member

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    I decided to go with the Amsoil 75-110 for more protection while towing. I’m sure the 75-90 is fine too. Love Amsoil though!!!
     
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  4. Loufish

    Loufish Full Access Member

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    That's a cool chart, but is that correct, it's saying the Raptor rear end takes 6 pints?....that sound like too much...
     
  5. misuracaf10

    misuracaf10 Full Access Member

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    At how many miles are you guys changing it at? Is it recommended for like 150k ? That seems long to me but I could be mistaken


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  6. Loufish

    Loufish Full Access Member

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    I'm going to service my rear now at about 18K....The first service is the most important...after that I'll probably do the rear at around 35-45K.....
     
  7. Raptor911

    Raptor911 FRF Addict

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    6 pints is .75 gallons and that seems right. I have read in multiple places that the rear diff with oem cover takes about 4 quarts which is 1 gallon.

     

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