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Technical Pressure plate dilemma

Discussion in 'The Hokey Ass Message Board' started by Bobhdus, Jun 14, 2020.

  1. Bobhdus
    Joined: Jun 8, 2020
    Posts: 4


    Will a 11” clutch plate with the three finger style pressure plate etc, (all new) from a 1974 350 SBC fit on a 292 flywheel (from the same years)? I’m swapping out my 350 sbc temporarily to a 292 (From a C10) Which has the 11” diaphragm style and I’m unsure if it’s suitable for this old P3500 breadtruck. Both are using an SM465. But I hear the three finger style is more heavy duty than the diaphragm style clutch pressure plate system... Thanks!
  2. Wrench97
    Joined: Jan 29, 2020
    Posts: 56


    There are a lot of if's but yes it should fit, check the spline both should be course(10 if memory serves). The 3 finger could be a heaver clutch but not necessarily it depends on the designed clamping pressure, for normal use either will work the diaphragm type giving easier pedal effort. If you are running say a P3500 overloaded a lot then I would want the heaver duty finger style as the stand up better to heat and abuse(slipping on take off for example).
    Bobhdus likes this.
  3. irishsteve
    Joined: Jan 10, 2017
    Posts: 721


    Remember to match the throw out bearing to the pressure plate used.
    Bobhdus and Rex_A_Lott like this.
  4. Bobhdus
    Joined: Jun 8, 2020
    Posts: 4


    Awesome! I’m gonna go ahead and swap them then. Thanks for the tip!

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