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    Author Topic: 440 water pump issue  (Read 2771 times)

    Offline Beck

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      • BECK KUSTOMS
    440 water pump issue
    « on: January 12, 2011 - 10:58:42 PM »
    hey all,
    happy new year!

    i was looking at my two water pumps the other day (i have a proform electric pump that came with the motor, and a 440 source mechanical),
    and noticed the impeller on the electric is totally different to the mechanical.

    here's a couple of pics:




    anyone have any experience with this?

    i wish to run an electric pump, although i will carry the mechanical pump and the associated parts needed to swap it in when on road trips in case the electric pump dies.

    any help would be greatly appreciated,
    cheers!
    aaron
    « Last Edit: January 13, 2011 - 12:20:15 AM by aaron beck »
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    Offline heminut

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    Re: 440 water pump issue
    « Reply #1 on: January 13, 2011 - 10:39:13 AM »
    The pump on the left looks like it's a reverse rotation pump. :clueless:
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    1970 5.7 Hemi Cuda

    Offline Beck

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    Re: 440 water pump issue
    « Reply #2 on: January 13, 2011 - 04:14:03 PM »
    really? i thought the electric pump was the incorrect one...
    guess i'll need to do some more research.

    the electric pump is a proform unit, and only for big block mopars, so i guess it must work ok.
    run it and see i guess...
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    Offline Challenger6pak

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    Re: 440 water pump issue
    « Reply #3 on: January 13, 2011 - 08:23:16 PM »
    Quote from: heminut on January 13, 2011 - 10:39:13 AM
    The pump on the left looks like it's a reverse rotation pump. :clueless:
    Maybe one of them is a marine pump.  :dunno:
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    1969 Sport Satellite H code convertible, 1970 Cuda 440+6, 1970 Challenger R/T 440+6, 1970 Challenger 383 R/T auto, 1970 Challenger R/T 383 4 speed,1971 Challenger convertible.

    Offline Beck

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    Re: 440 water pump issue
    « Reply #4 on: January 13, 2011 - 10:19:24 PM »
    anybody got a pic of what a standard 440 water pump impeller looks like?
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    Offline ntstlgl1970

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    Re: 440 water pump issue
    « Reply #5 on: January 14, 2011 - 01:47:16 AM »
    The curved impeller is similar to the edelbrock 440 pump, just a newer design impeller. Stock pumps have straight blades, A/C pumps can have more blades, 8 vs. 6 if I remember right.
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    70 Cuda, 7.0L Gen-III Hemi, Viper T56 w/9310 gearset, 3.91's, Megasquirt MS3x v3.57, Innovate wideband, Firm Feel upper arms, torsion bars, springs and strut rods, QA1 DA shocks. I did everything on this car except the fancy paint stuff and I drive it...and I can't seem to stop messing with it....
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