8 3/4 rear-end ID for Wilwood Disc brakes

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    Author Topic: 8 3/4 rear-end ID for Wilwood Disc brakes  (Read 1863 times)

    Offline crcarch

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    8 3/4 rear-end ID for Wilwood Disc brakes
    « on: March 08, 2006 - 10:27:18 AM »
    I'm looking at the Wilwood brake kits and need some help.   Wilwood offers kits for 8 3/4, Dana 60 press fit flange bearing or 8 3/4, Dana 60 loose fit snap-ring bearing.  I assume from their listing that the 8 3/4 & Dana are interchangeable as far as brakes go.  Can I ID which type of bearings I have without taking it apart.  Is there some type of number or item to look for outside the housing?

    The rear-end is #489 from a 1973-340 car.
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    Offline Chryco Psycho

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    Re: 8 3/4 rear-end ID for Wilwood Disc brakes
    « Reply #1 on: March 08, 2006 - 02:22:08 PM »
    press fit brgs were used in the early 60s , loose fit was used after 64 , but I don`t get the snap ring desciption
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    Offline crcarch

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    Re: 8 3/4 rear-end ID for Wilwood Disc brakes
    « Reply #2 on: March 08, 2006 - 03:32:11 PM »
    Digging further, I found that Wilwood has 3 different options with two different offsets. Still haven't a clue which one to use.

    DYNALITE PRO SERIES REAR AXLE KIT - VENTED ROTOR TYPE (2.72 OFFSET) MOPAR 8-3/4 • DANA 60 FOR USE WITH GREEN* NON-ADJUSTABLE BEARINGS - PART NUMBER GROUP 140-2116-B

    DYNALITE PRO SERIES REAR AXLE KIT - VENTED ROTOR TYPE (2.36 OFFSET) MOPAR 8-3/4 • DANA 60 FOR USE WITH GREEN* NON-ADJUSTABLE BEARING - PART NUMBER GROUP 140-2117-B

    DYNALITE PRO SERIES REAR AXLE KIT - VENTED ROTOR TYPE (2.36 OFFSET) MOPAR 8-3/4 • DANA 60 FOR USE W/GREEN* NON-ADJUSTABLE BEARINGS W/SNAP RING - PART NUMBER GROUP 140-5591-B

    They also list these two green bearings:

    BEARING PART NUMBER: RP400 - GREEN BEARING WITH PRESSED FIT INTEGRAL FLANGE,ALSO KNOWN AS: MOPAR PERFORMANCE GREEN REQUIRES WILWOOD KIT NUMBER:140-2117

    BEARING PART NUMBER: MO400 - GREEN BEARING WITH SNAP RING "LOOSE" FLANGE,ALSO KNOWN AS: STRANGE / MOSER GREEN BEARING REQUIRES WILWOOD KIT NUMBER:140-5591

    So since mine is stock, wouldn't that indicate the bearing without the snap-ring? What about the offset?  Which one?:1zhelp:



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    Offline Blown70

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    Re: 8 3/4 rear-end ID for Wilwood Disc brakes
    « Reply #3 on: March 08, 2006 - 04:18:54 PM »
    Have you called them?  They were/are very knowledgable and were helpfull when I had to look into some issues on my charger.

    Tom
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    Offline crcarch

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    Re: 8 3/4 rear-end ID for Wilwood Disc brakes
    « Reply #4 on: March 08, 2006 - 06:08:57 PM »
    Quote from: Blown70 on March 08, 2006 - 04:18:54 PM
    Have you called them?  They were/are very knowledgable and were helpfull when I had to look into some issues on my charger.

    Tom

    My luck with manufacturer's has been hit-or-miss.  I thought I'd try to tap our collective wealth of knowledge first.
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    Offline Blown70

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    Re: 8 3/4 rear-end ID for Wilwood Disc brakes
    « Reply #5 on: March 08, 2006 - 11:15:30 PM »
    Quote from: crcarch on March 08, 2006 - 06:08:57 PM
    My luck with manufacturer's has been hit-or-miss.  I thought I'd try to tap our collective wealth of knowledge first.

    Understandable,  I just had a very good experience as I had no idea what part I had (purchased a car with disc and narrowed dana), so they asked some questions and shazzzzam, that was exactly what I had.  Gave me the part number to order from summit as they did not sell direct or at least that part.

    Tom
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    Offline Autophile

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    Re: 8 3/4 rear-end ID for Wilwood Disc brakes
    « Reply #6 on: March 09, 2006 - 07:25:51 PM »
    Hi, I have Wilwoods on the back of my Cuda. I wanted the parking brake option, so I bought the following parts from Jeg's:

    950-140-7144  Mopar/Dana w/Snap Ring http://www.jegs.com/webapp/wcs/stores/servlet/CategoryDisplay?catalogId=10002&storeId=10001&categoryId=22991&parentCategoryId=10155&langId=-1

    873-A1022 (need 2 of these)  Mopar Non-Adjustable Axle Bearing with Retaining Plate, 1.563'' Bore, Mopar End http://www.jegs.com/webapp/wcs/stores/servlet/CategoryDisplay?catalogId=10002&storeId=10001&categoryId=16265&parentCategoryId=10141&langId=-1

    These parts have worked fine. Oh, my car has an 8 3/4 rear.
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    1971 Cuda, black/black, 419 cu. in. 3G Hemi with twin turbos (build in progress), AlterKtion, Wilwood 12.19" disks, billet Rallye wheels
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