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Thread: Rear Axle question ....

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  1. #1
    Join Date
    Jan 2004
    Location
    Geneva, FL
    Posts
    731
    Blog Entries
    1

    Default Rear Axle question ....

    Ive read the axle thread a 100 times ..... lots of options .. so now Im confused.
    Can someone tell me if this rear can be made to work in the M715 with a disk conversion?


    1990-1991-Chevy-GMC-3500-Pickup-Rear-Axle-Assembly-4-10-Ratio-4x4-OEM

    IT WORKS ON THE FOLLOWING VEHICLES

    CHEVROLET 3500 PICKUP 90-91 4x4; model VIN V, DRW, 14 bolt cover, 4.10 ratio (opt GT5)
    GMC 3500 PICKUP 90-91 4x4; model VIN V, DRW, 14 bolt cover, 4.10 ratio (opt GT5)


    also ....

    1988 89 Chevy 3500/GMC 3500 Pickup Rear Axle Assembly 4.10 Ratio

    IT WORKS ON THE FOLLOWING VEHICLES

    GMC 3500 PICKUP 88-89 4x2; model VIN C (5th digit), DRW, 4.10 ratio (opt GT5)
    CHEVROLET 3500 PICKUP 89 4x2; model VIN C (5th digit), DRW, 4.10 ratio (opt GT5)
    GMC 3500 PICKUP 88-89 4x4; model VIN K (5th digit), DRW, 4.10 ratio (opt GT5)
    CHEVROLET 3500 PICKUP 88 4x2; DRW, 4.10 ratio (opt GT5)
    CHEVROLET 3500 PICKUP 88 4x4; DRW, 4.10 ratio (opt GT5)
    CHEVROLET 3500 PICKUP 89 4x4; model VIN K (5th digit), DRW, 4.10 ratio (opt GT5)
    Last edited by teking; June 28th, 2020 at 04:00 PM.

  2. #2
    Join Date
    Feb 2007
    Location
    Bloomfield CT
    Posts
    313

    Default

    You really need to measure the width between the brakes and see if it will clear the leaf springs...The wide g-van rears are good for that.
    Is that real money?

  3. #3
    Join Date
    Jan 2004
    Location
    Geneva, FL
    Posts
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    Blog Entries
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    Default

    Thanks Ray ... I'll think I'll just go with Hillbilly Wizard. They have the M715 measurements and will build me anything I want shipped to my door. I'm going to go with a D60 up front and D70 in the rear, four wheel disk, with the detroit locker in the rear. We are discussing gearing. 4.10 r 4.56. I have 4.56 now and I'm happy with those. So probably 4.56 based on a 37/38 tire. I'd like to run H1 12 bolts.

  4. #4

    Default

    How much are those custom rear axles running?
    Without a tape measurement, and all the variations from the factory “standard” axles it seems like a crap-shoot on getting the right width.
    Come and take it
    Go work at joann fabrics if you can't shoot a gun

  5. #5
    Join Date
    Jan 2004
    Location
    Geneva, FL
    Posts
    731
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    Default

    You'd think but he's done a number of M715s and he working with my mechanic to validate measurements. And yes they are spendy but they will be dead on new with modern components and plug-and-play when they arrive. Sometimes you gotta pay to play. With the way it is now I spend more time fixing it than driving it. I'd rather be at the range than in the garage.
    Last edited by teking; June 30th, 2020 at 02:47 PM.

  6. #6

    Default

    I agree! I meant the standard numbers from GMC/Chevy/Dodge seem to be different depending from year to year, make and model that it can be difficult to rely on axles actually fitting according to the “axles that fit.” I should have written my response better. I would love to buy a custom axle for sure!
    Come and take it
    Go work at joann fabrics if you can't shoot a gun

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