How to tell what waterpump for 455?

Discussion in 'Street/strip 400/430/455' started by TommyV, Jun 4, 2023.

  1. TommyV

    TommyV Well-Known Member

    I understand there are 2 different pumps. I’m hoping these pics will help someone identify which pump to order from TA. Thanks in advance!
     

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  2. BrunoD

    BrunoD Looking for Fast Eddie

    lt's the long one,that pulley is for the long water pump. The short water pump pulley is half the size of that one in length from the water pump to the radiator. Bruno.
     
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  3. TommyV

    TommyV Well-Known Member

    Thank You! Much appreciated! Now to see if they are available! Gotta keep the winning going!
     

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  4. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    WaterPumpApplications.JPG
    The easiest way to tell for the 455 is to unbolt the fan clutch, and note the shaft extension above the flange. For the the long pump, it is 1", for the short pump, it is 1/2". See the picture.
     
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