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Thread: pulley sizing
          
   
   

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  1. 01-14-2005 08:39 AM #1
    shawnlee28's Avatar
    shawnlee28
    shawnlee28 is offline CHR Member
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    Question pulley sizing

     



    Whats the approx size of a small block water pump pulley?Or should I use the biggest 1 I can fit on there ?
    Last edited by shawnlee28; 01-14-2005 at 08:43 AM.
    Its gunna take longer than u thought and its gunna cost more too(plan ahead!)
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  3. 01-14-2005 11:11 AM #2
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    Henry Rifle
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    Just get the one that fits your water pump (long or short).

    Denny,

    You're right. It's about 7" Just measured mine.
    Jack

    Gone to Texas
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  4. 01-14-2005 12:39 PM #3
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    As a side note, there is a dual groove water pump pulley that has 2 different diameters. It must be used with a crank pulley that also has 2 different diameters. The larger pulley groove is for the alternator to overdrive it to maintain output at lower RPM.

    Pat
    Of course, that's just my opinion, I could be wrong!
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  5. 01-14-2005 06:32 PM #4
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    Thumbs up

     



    THnx all!! I just went and measured 7 inches.I just thought it was a little close to the crank pulley ,theres only about the width of a nickle between em.
    Its gunna take longer than u thought and its gunna cost more too(plan ahead!)
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  6. 01-14-2005 07:21 PM #5
    Henry Rifle's Avatar
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    The pulleys are pretty close. There's about 5/16" between the pulleys on my motor.
    Jack

    Gone to Texas
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