Pulleys

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  • mlions
    Junior Member
    • Jan 2014
    • 9
    #1

    Pulleys

    Gonna be on oxygenated gas. What is the recommendation for pulleys.
    Tags: None
    • brad hibbard
      Senior Member
      • Oct 2007
      • 974
      #2
      we use a 15% reduction with serpentine set up
      commonly in days gone by 30% was common but I am assuming you are talking about a crate engine and they are typically installed in cars intended for much more power----which means the crate engine has it's tongue hung out most of the time causing elevated temperatures.
      spinning the fan a little quicker and moving the water a bit faster tends to help keep them stay cooler

      1 to 1 is common when using V belt but 15% has worked fine for us with serpentine

      Brad
      Race-1 | Circle Track Racing Engines & Performance Parts
      https://www.race-1.com
      Race-1 offers competitive pricing on Chevrolet Performance 602, 604 & 525 sealed circle track racing engines. Race-1 specializes in the GM CTC engines and we offer a wide variety of services specific to the 602 & 604 crate engines. Your source for Stealth Racing Carburetors! Learn from Brad's expertise in teaching, too!

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        • 96racing
          Senior Member
          • Nov 2010
          • 112
          #3
          I have a complete KRC serpentine system if you are interested. It comes w/ Stewart aluminum water pump, 4" water pump pulley, 3.5" crank pulley, KRC aluminum power steering pump w/ 4.2" pulley, idler pulley & bracket, all spacers, belt, bolts and hardware. We ran on a 602. I will take $500 for it.

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