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Thread: Bent rear axle shaft

  1. #1
    Join Date
    Jul 2013
    Location
    Federal Way
    Posts
    906

    Bent rear axle shaft

    When I was doing the rear brakes, I gave the axles a spin and found out my axle shafts are bent. The right side has about a 3/16" wobble to it, but the left side is a bit less than 1/8". (After some investigation...turns out one of my older cousins had some fun jumping rail road tracks in this car when he was younger...)
    First, any advice on how much of a problem this is?

    The bearings sounded dry anyway, so I was planning to replace them...and thought since I have to take the axles out anyway, I might as well replace the axles with straight ones...but I haven't been able to find any four bolt axles online.

    I know a lot of you have changed to the five bolt and larger wheels...I do want to stick with the origional 4 bolt wheels- anyone know where I can find some good straight 4 bolt axles?

    Thanks..

  2. #2
    Join Date
    Aug 2009
    Location
    Sequim
    Posts
    2,117
    I have a spare rear axle from a car I parted out a while ago. Its yours if you want it. It's complete drum to drum 4 lug.

  3. #3
    Do yourself a favor and replace the whole rear axle. The housing may have been tweeked, plus it is easier.
    Olgraybeard


  4. #4
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    Aug 2009
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    Agreed. I could load it in the trailer and bring it to the mini in woodland.

  5. #5
    Join Date
    Jul 2013
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    Federal Way
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    Sounds like an offer I can't turn down...I really, really appreciate that. What kind of condition is it in? and what gear ratio?
    I was just trying to figure out when I could get over to your place to pick it up...but I'm booked out of town on family events for the next three weekends (and then my kids hockey season starts....)
    When is the mini in woodland?, I can't seem to find the calendar of events.
    Also, any thoughts on what I would need in order to get it home in the back of my SUV?

  6. #6
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    doghows......anything I need to do to make sure it will fit my 61?

  7. #7
    Join Date
    Aug 2009
    Location
    Sequim
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    It'll fit. They are all the same until 64 maybe late 63. Check out the post on the mini, I won't be making it this year.
    I get over to Seattle often as do others make it over here. Maybe we can arrange a transfer?

  8. #8
    Quote Originally Posted by dhbfaster View Post
    I know a lot of you have changed to the five bolt and larger wheels...
    Many of us have in-fact swapped to a Maverick/Comet 4-lug 8" axle to gain a lower gear and better parts availability. They are out there if you look hard enough. The 7.25" early Falcon rear-end is very hard to find parts for. You'd have to do a drive line swap with this conversion too, but you can keep your 4-lug wheels.
    Roger Moore

    63 "Flarechero"
    powered by: 347ci stroker | Tremec T5 | 8" 3:45 TracLoc rear



  9. #9
    Join Date
    Jul 2013
    Location
    Federal Way
    Posts
    906
    Well I picked up Steve's extra rear axle assembly at the final assembly party- today I finally jacked up the car and lined everything up (I was a little worried about the fit with the bigger brakes...that looks off by a tiny bit but ok) however, looks like the diffy itself is about 1 inch shorter from the front where the u joint is to center or back cover plate. As far as I can tell...that means it's a no-go.
    When I spun the one from Steve, it was basicly quiet at the bearings though...mine is noisy- I think pretty much confirming my shaft bearings are either bone dry or have pressure on them. Any thoughts? Am I missing anything?
    I saw an axle shaft on ebay...looks like I should go try to find it again.

  10. #10
    Join Date
    Oct 2006
    Location
    Seattle
    Posts
    1,430
    The wider brake shoes from the wagon should not make any difference from the outside of drum to outside of drum. The wagons back plate should be offset (sort of dished) to allow the extra 1/2 of shoe.

    Not sure about the input shaft difference. The splined yokes should be easy to swap but not sure exactly where your difference is coming from. I have not heard of this before.

    Jeff Watson
    Seattle, WA
    '63 Tudor Wagon (170 - 3 spd.)

  11. #11
    Join Date
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    Location
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    Yea, the outside of the brakes line up exactly. The pads for the springs, extremely close. I used a square to measure from the end of the diffy housing behind the spindal to the mounting surface of the backplate cover. The one for the delivery is 8 & 3/4, the one for mine is 9 & 3/4. Maybe I should jack up the car a little further to make sure it's not compensated for someplace I can't see?
    Sure looks to me like it's an inch short.

  12. #12
    Join Date
    Aug 2009
    Location
    Sequim
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    so if I understand this are you saying that your driveshaft would be too short?
    I thought all the rear axles were the same as far as the drum to drum and yoke measurements??? Now I'm confused that is the rear end out of my 63 delivery. Anyone got more info on this??

  13. #13
    You can bring the driveshaft to Drivelines NW and they can make it work. I had them shorten a driveshaft, weld yoke, balance, and install a u-joint kit for about $170. I'm guessing they can add length but don't know that for a fact.

    Kenny Likins
    Ballard, Seattle, WA
    www.redfalken.com

    `62 Tudor Sedan (`69 200, C4, 8-inch 4-lug 2.79 rearend, Duraspark II, MSD, Weber 32/36 DGEV)

  14. #14
    Join Date
    Feb 2007
    Location
    Fredrickson
    Posts
    977
    I had that done to a car ('69 Ranchero) years ago. They replaced the entire tube between the yokes.


    Gene Smith
    Fredrickson, WA
    '65 Ranchero Deluxe
    302, EFI, 4-Spd
    Granada Discs

  15. #15
    yes and yes Driveline NW Fife Washington does it and they replace the tube. Good people there.
    Olgraybeard


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