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Indexing the bellhousing

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by dyeager535, Sep 4, 2002.

  1. dyeager535

    dyeager535 1 ton status Premium Member

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    Anyone do this on their trucks?

    I've known about it for some time, friend was putting a centerforce clutch in his car, and the instructions made a big deal out of this.

    It makes a lot of sense, but his was a Ford, curious if anyone has ever attempted this with one of our trucks and perhaps an SM465? Can't imagine the factory did this, but I really don't know for sure, and not sure how they would accomplish it anyway!
     
  2. Sandman

    Sandman 3/4 ton status Author

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    Its new to me. What is the purpose?
     
  3. dyeager535

    dyeager535 1 ton status Premium Member

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    Square the clutch/input shaft up with the back of the block apparently.

    It makes a lot of sense, but if the surfaces were checked by GM already, there isn't much point to it. Again, he had a Ford, so that says a lot right there : )
     
  4. m j

    m j 1/2 ton status

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    it is SOP in heavy duty trucks and nearly mandatory with scattershield

    you simply put a magnetic dial indicator on the flywheel with the tip on the bell index and turn the engine over
    it is the only wasy to KNOW if the bell is true
     
  5. Sandman

    Sandman 3/4 ton status Author

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    Oh I see. I was thinking of clocking it or something.
     

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