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water pump pulley

  1. Under driven water pump pulley SB 350

    Heating & Cooling
    I picked up a 2 core, 1" radiator in aluminum. Right now my crank and water pump pulleys are 1:1 at 7 ". I'm looking at a slightly smaller water pump pulley 6.25". I think this will be a favorable under drive to add a little more flow from my stock pump. An article in in July Muscle Machines...
  2. Pulley size options...

    Heating & Cooling
    I wanted to over drive my water pump pulley just a bit to get a little extra flow out of the pump. So with a 6 3/4" crank pulley and a matching size water pump pulley (1 to 1), I'm looking for a 5 1/2 to 5 3/4" water pump pulley, single V-groove. For some reason, the over drive water pump...
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