3:73 gears trans snap ring issue

Lincoln Mark VIII Performance

  1. mag

    mag Active LVC Member

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    Joined:
    Nov 12, 2014
    Location:
    chicago
    I am in the process of installing 3:73 gears in my 97 lsc and know I am hearing the transmission snap ring is a weak link and will break with the higher rpms .I would appreciate any input from someone who has put 3:73s in a mark
     
  2. Racer Ray

    Racer Ray New LVC Member

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    Nov 14, 2011
    Location:
    ulen
    4r70,aod,aode all have been noted to pop the snap ring between the intermediate and reverse clutch.usually replaced with sonix spiral snap ring 76554rk.many cars running 3.73/4.10,crap driveshafts and driveshaft speed is what will hurt you.
     
  3. james yarosz

    james yarosz LVC Member

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    May 15, 2017
    Location:
    brighton,michigan
    I am also about to install 373 gears and a trac lok in my 96 lsc.I am also going to install a 4 inch aluminum driveshaft at the same time.The car has 43k miles on it.Do I need to worry about this snap ring in the trans?
     
  4. germansheperd

    germansheperd Active LVC Member

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    Location:
    Wooster, Ohio
    Not that I drive mine a lot but I have 3.73s and don't have any issues as of yet. I have a 4" DS and put my stocker back in because of the resonance.
     

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