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  1. #1
    Join Date
    Feb 2007
    Posts
    164

    Default Best electric water pump for a Big block Chevy.

    I know a mechanical pump is better and if I don't get any decent reccomendations I will have to go that route but I have a motor plate which makes it a PITA.



    I need to know what the best electric water pump is for keeping a big block cool in regular city traffic driving if indeed there is one. Not just a 5 minute fairground cruise.

    Thanks as always.


  2. #2
    Join Date
    Sep 2006
    Location
    Jasper, IN
    Posts
    2,329
    Country Flag: United States

    Default

    I don't know if this one is the best, but I'm pretty sure it's a darn good one. It's for sale if you're interested... $279.95 new, make me an offer.

    Here's the description:

    CSR Billet Aluminum Electric Water Pumps
    Clear anodized
    Flow Rate @ 12 Volts (gpm): 35-37 GPM
    Hose Adapter Required (Included)
    Overall Depth (in): 6.000 in.
    Amp Draw: 5.80 amps
    Weight: 5.5 lbs.

    Generating an incredible 37 gpm of coolant circulation, CSR Performance billet aluminum electric water pumps give you the flow you need, without costing you horsepower. CNC-machined from T-6 aluminum, these lightweight pumps have a direct-drive 12 V motor, spinning a redesigned impeller on a stainless steel shaft. CSR pumps draw just 5.8 amps. Because they don't run off of your crank, they won't eat up race-winning horsepower. Other features include corrosion-resistant anodized finishes in several colors, superior RFI suppression, and a removable center section for cam adjustment or replacement.
    Herb Lumpp
    ridetech
    Shock Specialist
    herb@ridetech.com

    1966 El Camino (PHR, CHP)
    1966 Chevelle (CHP)
    1963 C10
    1985 Suburban K10
    2009 Silverado 2500HD
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  3. #3
    Join Date
    Oct 2005
    Location
    New Washington, IN
    Posts
    1,446

    Default

    We run a CSR on our 55. It has a 427 with 11:1 and we are running a 16" electric fan and a STOCK 1955 V8 Radiator. It stays below 190 driving around on the street. This is in a tubbed car with a glide and 4.71 gears.

  4. #4
    Join Date
    Jun 2005
    Posts
    26

    Default

    hi,

    i have been usuing mezeire pump for a long time,nop so far in city and highway

    http://www.cardomain.com/ride/2068527

    regards
    sami

  5. #5
    Join Date
    Aug 2001
    Location
    Wilton, CA. (Sacramento)
    Posts
    3,002
    Country Flag: United States

    Default

    Meziere 55 gpm will move a lot more water than that CSR. Meziere also makes (at the time) a 35 gpm or so, but they recommended the 55 gpm for sustained street use with a higher hp setup. I used the remote mounted 55 gpm (which I still have on the shelf) for a Procharged 406 in a Cobra replica. Those are known for heating up anyway, then add the blower............ it never broke 190 even in 100+ temps idling forever. I had to run the remote to clear the custom blower drive I made to fit the car, and I was nervous about running a remote electric. But it was flawless, worked great.

    Jody

  6. #6
    Join Date
    Mar 2007
    Location
    New britain, PA
    Posts
    34

    Default

    Jody is right you want the Meziere 55gpm pump for the street but not so much for the flow but rather the preasure it builds in the cooling system. That's what we use if a customer has to use an electric or remote pump regardless of horsepower.

  7. #7
    Join Date
    Nov 2005
    Location
    East Coast Florida
    Posts
    510

    Default

    Go with the Meziere 55 gpm. One other thing with the Meziere is that is has better shielding for EFI computers, etc.
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    Project "Freebird"

  8. #8
    Join Date
    Feb 2007
    Posts
    164

    Default

    Just bought a blue 55gpm mezaire pump. Will see how it goes when the engine arrives. I only hope it fits with a pro charger. I am using a custom ally rad and a leccy fan.
    Thanks guys.

  9. #9
    Join Date
    Oct 2005
    Location
    New Washington, IN
    Posts
    1,446

    Default

    Is your rad mounted in front or behind the core support?

    When ours was behind the tip of the pump touched the rad.

  10. #10
    Join Date
    Feb 2007
    Posts
    164

    Default

    It's in a '57 race car with a tube front. The rad support went about 20 years ago! Thanks for the advice though as I was thinking of doing the same to my stock '55. I will probably put a rad in the L6 position on that anyway just for the extra clearance.



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