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Worn threads in control arms?

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  • prager
    replied
    Is it advisable to tack weld these things in for a just in case thing? I replaced mine and was not aware of the spreader issue.. How tight do they need to be? I probably need to back some off as the rubber washer looks kinda squished..Should I back them out a little and tack? Thanks!

    Making resverations at the poor house parking lot for me and my 62 Lark..

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  • showbizkid
    replied
    Tim's right. NOS arms have no threads; they're "cut" when the first set of bushings are installed. (That's according to Biggs and Dick S. in other threads herein.)


    [img=left]http://members.cox.net/clarknovak/lark.gif[/img=left]

    Clark in San Diego
    '63 F2/Lark Standard
    http://studeblogger.blogspot.com

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  • GTtim
    replied
    Gordon, I believe, but don't know for absolute certain, that the arms are made without any threads cut in the holes. The outside of the bushings cut the threads when they are installed.

    Tim K.
    '64 R2 GT Hawk

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  • gordr
    replied
    quote:Originally posted by 55Prez


    If they're that loose, the arm is worn out and probably because the previous 'rehabilitator' didn't spread the ends, when installing new(?) pins. The caps most likely turned in the arm with the suspension action and wore the holes larger....
    Anyone know if NOS control arms actually HAVE a thread for the trunnion bushings, or is it a plain hole that becomes threaded when the bushing is installed? Welding an oversize hole undersize, and then grinding to size would not be too hard, but if one actually had cut that oddball thread, it'd be tough.

    For my own part, I've encountered arms that were worn enough that the bushings didn't tighten properly in them, and I tack-welded them with no problems resulting.

    Gord Richmond, within Weasel range of the Alberta Badlands

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  • 64V-K7
    replied

    If they're that loose, the arm is worn out and probably because the previous 'rehabilitator' didn't spread the ends, when installing new(?) pins. The caps most likely turned in the arm with the suspension action and wore the holes larger....

    Leave a comment:


  • StudeRich
    replied
    Here's one of the threads: http://www.studebakerdriversclub.com...rms=outer,pins,

    and another:
    http://www.studebakerdriversclub.com...rms=outer,pins,

    I searched "outer pins" and found them. I really like our search function, it works great!

    If I were you, I would replace the "A" arms. The only way they can be used again is to weld the holes up and machine back to stock. I would guess, a pretty expensive method!

    StudeRich
    Studebakers Northwest
    Ferndale, WA

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  • showbizkid
    replied
    quote:Originally posted by Dwain G.

    Has anybody seen the 'threads' at the outer ends of Stude control arms so worn that new bushings fit so loosely that they will screw in by hand? I've seen worn control arms before, but not every hole, top & bottom, front & rear?
    There was a thread on here not that long ago about this. Basically the upshot is that if it's that loose, you can either A) find a new one, or B) screw the bushings in and tack-weld 'em just to get back on the road.


    [img=left]http://members.cox.net/clarknovak/lark.gif[/img=left]

    Clark in San Diego
    '63 F2/Lark Standard
    http://studeblogger.blogspot.com

    Leave a comment:


  • Dwain G.
    started a topic Worn threads in control arms?

    Worn threads in control arms?

    Has anybody seen the 'threads' at the outer ends of Stude control arms so worn that new bushings fit so loosely that they will screw in by hand? I've seen worn control arms before, but not every hole, top & bottom, front & rear?

    [img] http://home.comcast.net/~jdwain/63.63.jpg [/img]
    Dwain G.
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