FlowKooler or Milodon water pump

Heating / Cooling / AC

  1. 68 Coronet RT

    68 Coronet RT 68 GTS # 508 in Registry

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    Has anyone used either one of these water pumps on their small block ? Just wondering if one is better than the other
     
  2. MOPAROFFICIAL

    MOPAROFFICIAL Well-Known Member

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    Probably close to the same. But check their sites for specs.

    Really...those are designed to fix or anticipate a couple issues or weak points..like very high rpm cavitation, extra volume, maybe a better bearing.

    Stock 8 blade impeller is more than enough when the cooling system is properly sized and holding pressure.
     
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    • QuickDart360

      QuickDart360 Well-Known Member

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      I currently use an 8 blade mopar performance unit. So far works great.
       
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      • dgibby

        dgibby Well-Known Member

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        I just bought one of these but haven’t run it yet. Water Pump PRW Industries 1431800 - Pace Performance Parts
        It for sure looks superior to what I took off. Was told the one I took off was a high flow but don’t know for sure. It’s an 8 blade with no anticavatation plate on it and at higher rpms my temp would creep up. I got real lucky on the PRW, found it on eBay for $67 bucks and 15% off. Figured for that money it was worth the risk. It’s the exact same as the Edelbrock version that is big bucks.
        I thought I read somewhere that the PRW is better at higher rpm and the flow cooler is better at low speed, stop and go driving. I also went with this thermostat in this post I started and would probably swap it before the water pump and see what happens.
        Thermostat comparison
         
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        • rustycowll69

          rustycowll69 Well-Known Member

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          I've installed both, at the request of customers, and I didn't see any difference in operation. They were chosen perhaps more for prevention, rather than to address an evident/ongoing problem, so there was no noticeable "improvement".
           
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          • 68 Coronet RT

            68 Coronet RT 68 GTS # 508 in Registry

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            I looked at the PRW water pumps and they don't make one for early LA engines with the bottom hose on the driver side
             
          • Gamedog

            Gamedog Well-Known Member

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            I've got the Milodon high flow on my 408 and it performs as it is intended to.
             
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            • 66340SEDAN

              66340SEDAN FABO Member #3649 FABO Gold Member

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              I use a Flowkooler on my 340’s....one didn’t last long, about 5 years or so but my car never ran hot...never had cooling issues, just figured it would help to have it.
               
            • BrianT

              BrianT Let's go!

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              X2
               
            • supertruck

              supertruck Retired Old Fart stock car racer FABO Gold Member

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              I installed a Flowkooler on the 429 SCJ in my Cobra replica, about 10 years ago. operation has been flawless.
               
            • whit68

              whit68 Well-Known Member

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            • 340sFastback

              340sFastback Well-Known Member

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              Flowkooler on my small block stroker been on there 10 years now. I like it. At the time I was looking it was the only brand with the '69 and back lower hose orientation.
               
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