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Thread: GKN axle weak spot

  1. #1
    Supporting Member Turbo Mopar Contributor jonnymopar's Avatar
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    GKN axle weak spot

    Ok, so it's well-established where the Saginaw axles break. Anybody broken a large amount of GKN axles that could tell me where they're likely to break?
    Jon J.

    1989 Daytona ES 2.4L DOHC
    2003 Neon SXT - gone but never forgotten

    If it ain't broke, fix it 'till it is!

  2. #2
    turbo addict
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    Re: GKN axle weak spot

    Just want to follow along.

  3. #3
    turbo addict
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    Re: GKN axle weak spot

    I break lots of parts store axles, I would like a cheaper solution than the expensive ones. So I am also here to follow along. (L body specific)

  4. #4
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    Re: GKN axle weak spot

    Quote Originally Posted by forcedfedmopar View Post
    I break lots of parts store axles, I would like a cheaper solution than the expensive ones. So I am also here to follow along. (L body specific)
    Buy autozone... life time warranty.

  5. #5
    Supporting Member Turbo Mopar Contributor supercrackerbox's Avatar
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    Re: GKN axle weak spot

    Quote Originally Posted by jonnymopar View Post
    Ok, so it's well-established where the Saginaw axles break. Anybody broken a large amount of GKN axles that could tell me where they're likely to break?
    Within the first 60 feet.

  6. #6
    Supporting Member Turbo Mopar Contributor supercrackerbox's Avatar
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    Re: GKN axle weak spot

    Kidding of course (kinda). Jeff, since GKN seems to be the most common variety for the L-bodies, where are yours breaking specifically? The axle tube or within the joint?

  7. #7
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: GKN axle weak spot

    I run the later model V6 axles whenever I can. Are you running a 525 or a newer trans?
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

  8. #8
    Supporting Member Turbo Mopar Contributor jonnymopar's Avatar
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    Re: GKN axle weak spot

    Quote Originally Posted by Force Fed Mopar View Post
    I run the later model V6 axles whenever I can. Are you running a 525 or a newer trans?
    Interesting. I'm running a 555. The reason that I'm asking is because I did something stupid and I'm now running an Autozone driver's side axle. I haven't exactly put any track passes on it yet, but so far so good. It has the extruded inner joint housing, so I'm guessing it's a rebuilt GKN. I really hope I can find someplace to rebuild my trusty Saginaw axle, but until then, I've got a nicely-painted axle of questionable quality stuffed in there. I had them look up an axle for a Daytona Shelby, and the GKN is what I got. As far as I know, the Shelby cars (other than the L-bodies) got Saginaw axles, but Autozone wouldn't know anything about that.
    Jon J.

    1989 Daytona ES 2.4L DOHC
    2003 Neon SXT - gone but never forgotten

    If it ain't broke, fix it 'till it is!

  9. #9
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    Re: GKN axle weak spot

    oh I have life time axles. ive gone through so many its shameful. Most of the time I break the inner tri pod cup at least that seems to be the most common lately. when I get solid shaft replacements I snap the shaft itself quite a bit. Ive broken quite a few tri pods them selves too. I was under the assumption that I would just never launch the car again, but a few weeks ago I twisted an inner joint apart during a 3rd-4th pull.

  10. #10
    Supporting Member Turbo Mopar Contributor jonnymopar's Avatar
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    Re: GKN axle weak spot

    I'm not pushing huge power, but I've got a damn heavy car, and those unequal-length Saginaw axles with 180,000+ miles on them never let me down. If I wasn't such a retard, I wouldn't be having this conversation, but I ended up ruining one when it was out of the car. I guess it was a blessing in disguise because I found the tripod spring in 3 pieces when I took it apart.
    Jon J.

    1989 Daytona ES 2.4L DOHC
    2003 Neon SXT - gone but never forgotten

    If it ain't broke, fix it 'till it is!

  11. #11
    turbo addict Turbo Mopar Contributor
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    Re: GKN axle weak spot

    I have been having a terrible problem with every axle I install popping a leak in the boot and dumping grease No way I want to spend my time draining transmissions and swapping axles constantly just so I can have free replacements. I gotta figure with the lifetime warranty they either stop selling axles for us....or the demand keeps up production
    Brent GREAT DEPRESSION RACING 1992 Duster 3.0T The Junkyard - MS II, OEM 10:1 -[I] Old - 11.5@125 22psi $90 [U]Stock[/U] 3.0 Junk Motor - 1 bar MAP [/I] 1994 Spirit 3.0T - 11.5@120 20 psi - Daily :eyebrows: Holset He351 -FT600 - 393whp 457ft/lb @18psi 1994 Spirit 3.0T a670 - He341, stock fuel, BEGI. Wife's into kid's project. 1990 Lebaron Coupe 2.2 TI/II non IC, a413 1990 Spirit 3.0 E.S. 41TE -- 1993 Spirit 3.0 E.S. 41TE -- 1994 Duster 3.0 A543 1981 Starlet KP61 Potential driver -- 1981 Starlet KP61 Parts -- 1983 Starlet KP61 Drag 2005 Durango Hemi Limited -- 1998 Dodge 12v 47re. AFC mods, No plate, Mack plug, Boost elbow -- 2011 Dodge 6.7 G56

  12. #12
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: GKN axle weak spot

    I have found that some P-body axles are the right length for an L-body, for you guys running newer trannies in your Omni/Charger. I built and sold one to a guy in Quebec with a Shelby Charger (shelbymonster I think?) and he said it held up good even on slicks.

    I tried a 2nd Gen Neon axle once but it was too long for an L-body. Worked fine in my Daytona though.
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

  13. #13
    Supporting Member Turbo Mopar Contributor jonnymopar's Avatar
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    Re: GKN axle weak spot

    I was poking around on RockAuto to see if they had different listings for V6 axles and it doesn't look like they do. I compared my 89 Daytona to a 95 Lebaron V6 and a 87 Shadow TBI and all of them had the same Cardone axle listed.
    Jon J.

    1989 Daytona ES 2.4L DOHC
    2003 Neon SXT - gone but never forgotten

    If it ain't broke, fix it 'till it is!

  14. #14
    boostaholic Turbo Mopar Contributor
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    Re: GKN axle weak spot

    What you want are the Dynasty axles. Not sure why, but Chrysler made them really beefy. At least that's the scuttle I've heard...

  15. #15
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    Re: GKN axle weak spot

    Quote Originally Posted by 83scamp View Post
    What you want are the Dynasty axles. Not sure why, but Chrysler made them really beefy. At least that's the scuttle I've heard...
    That is what shadow runs in his charger. I don't see him having any problems with them.
    [SIGPIC][/SIGPIC]

  16. #16
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    Re: GKN axle weak spot

    Quote Originally Posted by 85boostbox View Post
    That is what shadow runs in his charger. I don't see him having any problems with them.
    Any specific model or year to look for?

  17. #17
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: GKN axle weak spot

    91-up seem to have the best axles.
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

  18. #18
    Supporting Member Turbo Mopar Contributor supercrackerbox's Avatar
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    Re: GKN axle weak spot

    Wouldn't they be considerably longer than L-body units?

  19. #19
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    Re: GKN axle weak spot

    No. I think they still give you a 1/4 inch plunge on each side.
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  20. #20
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    Re: GKN axle weak spot

    Parts stores won't be able to supply a specific manufacturer of axles for our cars since there were multiple OEM suppliers. If they interchange, they are sold as the correct part for the cross referenced vehicle regardless of the "style". If you want a specific axle you are going to have to find it and rebuild it yourself or get a local company to rebuild it. The other option is of course custom units.

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