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  •  » FYI Ford, Classic Mustang Tech Discussion
  •  » I ordered a Third member from Quick Performance on 7/7/2023

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    9/06/2023 9:26 PM  #1

    BILLY WALTON from GEORGIA
    Carrollton, GA Bash Host

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    From: CARROLLTON GEORGIA
    Registered: 4/14/2013
    Posts: 2,431

    I ordered a Third member from Quick Performance on 7/7/2023

    said allow up to 8 weeks for build it should coming soon. I ordered it with Eaton Truetrac with 3.55.1 gear.A quality, petroleum-mineral based, GL5 rated 80w-90 gear oil should be used. Synthetic oils are not recommended for Truetrac applications. I also read no friction additive to be use with Truetrac. What brand do you guys use and how many quarts will I need after I clean all the other out and fill it back up? Just trying to get all the stuff up so I will have it on han when it gets here. I odered new longer bolts cause of the  Truetrac requiring a little longer and new copper washers. Should be a good change for my 8 inch open diff with 3.00.1 gear in it now .It does have Mustangsteve Disc Brakes on the back though. 

    Last edited by BILLY WALTON from GEORGIA (9/06/2023 9:30 PM)

    Its really me....I fixed my caps lock .
     

    9/07/2023 7:33 AM  #2

    BobE
    Senior 24-7 FYI Addict

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    From: White Plains, NY
    Registered: 4/04/2013
    Posts: 2,616

    Re: I ordered a Third member from Quick Performance on 7/7/2023

    From the Ford Service Manual, the 8" rear takes 4.5 pints.
    I used Valvoline 80w-90, GL-4 & 5, gear oil as that what was on the shelf at the local auto parts store, non-synthetic. 

    65 Fastback, 351W, 5-speed, 4 wheel discs, 9" rear,  R&C Front End.
     

    9/07/2023 2:04 PM  #3

    TKOPerformance
    Hyper FYIFORD ADDICT

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    From: Newark, DE
    Registered: 12/15/2014
    Posts: 7,456

    Re: I ordered a Third member from Quick Performance on 7/7/2023

    No friction modifier needed with the TrueTrac.  I have one in my '06 F250.  As your rear was made for conventional oil I would probably just use that.  The Valvoline BobE specs is what I get at the local NAPA for anything that uses conventional.  I can tell you that you can use synthetic with a TrueTrac and it works just fine.  The 10.5" Sterling in my '06 F250 uses 75W140 oil, which is only available in synthetic.  Per the TrueTrac manual it is advised to use the oil specified by the rear end manufacturer, regardless of whether or not its synthetic or conventional.  I've noticed no issues in use.  The TreuTrac is there when I need it and invisible when I don't.  Its the best limited slip rear I've ever used thus far.  AND, I don't have to worry about wearing out clutch plates behind 900+ lbs/ft. of torque. 

     

    9/08/2023 4:43 AM  #4

    BTaylor
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    From: Carrabelle, FL
    Registered: 4/02/2013
    Posts: 127

    Re: I ordered a Third member from Quick Performance on 7/7/2023

    I just ordered one from quick perfomance also. 3:80 with the tru trac. Can't wait to swap out the 3:25.
     

    68 Cougar XR7 347 stroker T5 3:80
     

    9/08/2023 10:44 AM  #5

    BILLY WALTON from GEORGIA
    Carrollton, GA Bash Host

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    From: CARROLLTON GEORGIA
    Registered: 4/14/2013
    Posts: 2,431

    Re: I ordered a Third member from Quick Performance on 7/7/2023

    BTaylor wrote:

    I just ordered one from quick perfomance also. 3:80 with the tru trac. Can't wait to swap out the 3:25.
     

    takes a while to get it
     

    Its really me....I fixed my caps lock .
       •Thread Starter
     

    9/08/2023 11:53 AM  #6

    6sally6
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    From: Surfside Beach,SC
    Registered: 4/02/2013
    Posts: 6,816

    Re: I ordered a Third member from Quick Performance on 7/7/2023

    BTaylor wrote:

    I just ordered one from quick perfomance also. 3:80 with the tru trac. Can't wait to swap out the 3:25.
     

    Too bad we aren't closer together.......3.25 is JUST what I want.....
    6sally6
     

    Get busy Liv'in or get busy Die'n....Host of the 2020 Bash at the Beach/The only Bash that got cancelled  )8
     

    9/08/2023 4:16 PM  #7

    BTaylor
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    From: Carrabelle, FL
    Registered: 4/02/2013
    Posts: 127

    Re: I ordered a Third member from Quick Performance on 7/7/2023

    6sally6 wrote:

    BTaylor wrote:

    I just ordered one from quick perfomance also. 3:80 with the tru trac. Can't wait to swap out the 3:25.
     

    Too bad we aren't closer together.......3.25 is JUST what I want.....
    6sally6
     

    You are only 8 hrs away.
     

    68 Cougar XR7 347 stroker T5 3:80
     

    9/08/2023 11:57 PM  #8

    BILLY WALTON from GEORGIA
    Carrollton, GA Bash Host

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    From: CARROLLTON GEORGIA
    Registered: 4/14/2013
    Posts: 2,431

    Re: I ordered a Third member from Quick Performance on 7/7/2023

    BTaylor wrote:

    6sally6 wrote:

    BTaylor wrote:

    I just ordered one from quick perfomance also. 3:80 with the tru trac. Can't wait to swap out the 3:25.
     

    Too bad we aren't closer together.......3.25 is JUST what I want.....
    6sally6
     

    You are only 8 hrs away.
     

    I  am only 5 hours away

    Its really me....I fixed my caps lock .
       •Thread Starter
     

     

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