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How to tell if waterpump is long or short

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by wakedog, Sep 16, 2001.

  1. wakedog

    wakedog 1/2 ton status

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    How do i tell if i have a short or long shaft water pump?? I have a crate 350. Thanks

    <a target="_blank" href=http://www.bigredjimmy.iwarp.com>http://www.bigredjimmy.iwarp.com</a>
     
  2. reddog64

    reddog64 1/2 ton status

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    If it huggs the block like within 1 to 1.5 inches it's short...
    I believe...

    [image]http://www.inhomenetworking.com/images/littleblue.jpg[/image]See me at <a target="_blank" href=http://www.inhomenetworking.com/78jimmy.htm>http://www.inhomenetworking.com/78jimmy.htm</a>
     
  3. wakedog

    wakedog 1/2 ton status

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    Thanks

    <a target="_blank" href=http://www.bigredjimmy.iwarp.com>http://www.bigredjimmy.iwarp.com</a>
     
  4. Neil

    Neil 1/2 ton status

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    correct..more like 3/4inch actually

    Neil H. Alabama.. "It's a full size thang, Jeep owners don't understand!!" '78 K5 400ci 4x4 AT,AC,PW Cheyenne., '74 C10 4x2
     
  5. Blazer1970

    Blazer1970 1/2 ton status

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    On a short pump, the back cover of the water pump is almost touching the timing cover - within about 1/8". If you can put a finger in the gap it is a long pump. Any crate motor is going to come with a long pump.

    Tim

    70 Blazer CST 4X4 350 SM465 NP205
    87 Burb 4X4 350
    01 GMC 2500HD 4X4 Duramax/Allison
     

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