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Bolt size

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Chevykid350, Apr 22, 2003.

  1. Chevykid350

    Chevykid350 Registered Member

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    Location:
    Elizabeth, Co
    Quick question, working on my p/u last night replacing the power steering pump and I snapped the bolt that bolts the whole unit to the front of the block and didn't have time to get it out and couldn't find the peice that broke off so I have no idea what size it is. Anybody know? It's a 78 GMC stepside with the 350 4bbl.

    Thanks
     
  2. GMCLegacy

    GMCLegacy 1/2 ton status

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    Grand Haven, MI
    im guessing it is a 3/8" coarse thread. not 100% sure though.
     
  3. big83chevy4x4

    big83chevy4x4 3/4 ton status

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    Location:
    Sheridan, Michigan
    its a 5/8 head do problably 7/16 corse by i think 1 1/2"
     

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