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Thread: SYE and driveshaft question

  1. #1
    Thinks you're strange spectac's Avatar
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    Default SYE and driveshaft question

    I was thinking today and as usual it has confused the heck out of me. If I lift my jeep and need to get an SYE and new rear drive shaft, what happens to the front? why don't I have to change anything about the front configuration? Or do I?
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    MCLMM DevilDogSoldier's Avatar
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    No, the length of the drive shaft is enough that the angle isn't going to require anything. If you look, the front is longer than the rear.
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  3. #3
    F it! It ain't my Jeep. Ricky Booby's Avatar
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    If I'm not mistaken, the front is also a cv shaft already.
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  4. #4
    Member bluedragon436's Avatar
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    Yeah the front is a CV shaft already, that is why for the XJ's they say you can make a stock front shaft work temp for a rear once you have done a SYE....

  5. #5
    Thinks you're strange spectac's Avatar
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    CV? how is that different from a normal one? (EDIT) I Googled it. still don't understand it but I probably never will!
    Last edited by spectac; 04-05-2010 at 14:54.
    Any insurgents near the blast “would be real gooey inside.” -Lt. Col. Kirk Cordova USMC

  6. #6
    If you spot me, I'll do it! socalkenny's Avatar
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    The top 2 are CV style shafts. The bottom 2 are yoke style shafts. The CV style allows your driveshaft to function at a more severe angle without vibrations.
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    Last edited by socalkenny; 04-05-2010 at 15:59.
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  7. #7
    Mud Puppy Grevus's Avatar
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    the yoke style slides directly into your TC which allows travel where as the CV is mated to the TC with U joints and has splined travel built in. Also the CV unit is 100 times stonger as U joints can withstand alot of stress and torque, where as with the yoke style you've got splines that can strip under torque
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  8. #8
    Senior Member jackhammer's Avatar
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    In my yj I had a front xj drive shaft shortened for my rear when I did sye and 8.8 at same time. I ran on tcase drop till I pieced together sye driveshaft and axle. That way I only had to make one drive shaft

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