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Technical Novak hydraulic clutch conversion kit

Discussion in 'The Hokey Ass Message Board' started by ace5043, Jan 4, 2020.

  1. ace5043
    Joined: Sep 28, 2008
    Posts: 128

    ace5043
    Member
    from Florida

    I purchased a Mcleod super street pro clutch pressure plate combination. (#75224) & and the Novak Hydraulic clutch conversion kit.

    The short GM throwout bearing included in the kit was nowhere near long enough & Novak advised I use the longer GM bearing,

    I purchased the adjustable Mcleod throwout bearing (#16505)
    which is equivalent to the longest GM bearing however I still cannot get the bearing close to the diaphragm. I am using a stock GM bell housing
    ( # 3899621) with the stock pivot ball and fork & tried to use another [​IMG][​IMG]GM fork with a kick out however it will not align up to the Novak pushrod so I am back to the original GM fork. I have maxed out the adjustment in the hydraulic pushrod & still not enough.,Any suggestions?



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  2. brading
    Joined: Sep 9, 2019
    Posts: 836

    brading
    Member

  3. What is this application,,,,engine combo. ?
    All parts involved,,,engine,,,clutch,,,bellhousing,,,,transmission,,,,any adapter ?
    Something doesn’t sound right,,,need more info,,,pics if you have them.

    Tommy
     
  4. ekimneirbo
    Joined: Apr 29, 2017
    Posts: 5,429

    ekimneirbo
    Member
    from Brooks Ky

    Sounds like you need a longer pivot ball,.....;)
     
  5. 427 sleeper
    Joined: Mar 8, 2017
    Posts: 3,372

    427 sleeper
    ALLIANCE MEMBER

    Bent finger diaphragm or flat finger diaphragm? The reason I ask is because with a flat finger diaphragm, you can't use a flat faced t/o bearing. With a stock bellhousing, fork, and pivot the long round faced bearing "should" work, provided you have a flat finger diaphragm.
     
  6. Mr48chev
    Joined: Dec 28, 2007
    Posts: 36,050

    Mr48chev
    ALLIANCE MEMBER

    I'd say that 427 Sleeper nailed it.
    This is what equals a GM 908092 long throw out bearing. That round face sticks out quite a bit .
     

    Attached Files:

    Desoto291Hemi likes this.
  7. ace5043
    Joined: Sep 28, 2008
    Posts: 128

    ace5043
    Member
    from Florida

    I was unaware GM made two different length pivot balls for the clutch fork. I located the longer one, which equated to about 1/4 in length more, & it corrected the problem. It would still not work with the short throwout bearing supplied with the clutch/pressure plate combo from Mcleod however their adjustable one they recommended worked perfectly once I took 1 of the 3 shims out of it. I did notice the bearing face surface was considerably larger than the short bearings face. The pressure plate had the flat diaphragm fingers.

    Thank you to everyone who responded. I greatly appreciate this site & the wealth of knowledge from its members.


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    David Gersic likes this.
  8. brading
    Joined: Sep 9, 2019
    Posts: 836

    brading
    Member

    Good to hear you solved your problem and let us know the answer
     

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