Magnaflow vs Nicson
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Magnaflow vs Nicson

  1. #1
    Senior Member Nosjunkie's Avatar
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    Default Magnaflow vs Nicson

    So Im trying to decide on the waterpump for my motor.. Ive run Magnaflow's in the past.. and the eatting impellers is a bit of a drag. Ive run the nicson old style as well..

    So which would you run... Im worried the nicson wont flow enough...

    22' Daytona
    bravo 1
    496" chevy
    aluminum heads.
    8-71 15% over
    750 demons.
    water jacketed headers
    and the rest of the goodies to match.

    thanks......

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  3. #2
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    you put this in a area that dont care quit starting it dry and you wont have a problem

  4. #3
    Senior Member Sanger-Spectra's Avatar
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    What size Nicson? the 1" will pump a ton of water. I swaped a few years ago from the neovane to magnaflow because I was constantly fighting temp increase while ideling, I hvad the pump on the motor from 95' to 2009 and have friends that run the same punp with no issues. I had good impellars no obstructions, I just had one head that would always run hot. Swapped to the magnaflow and no issue at all. I went with a 1" and it was too much water though having a hard time getting heat in it now. I do take the impellars out and put them in a zip lock baggie when I put the boat away and just changed my first impellar last summer, made the swap in 2009.

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  6. #4
    It's what we do BDMarine's Avatar
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    For a Bravo application I would use the Mercruiser style belt driven pump. It uses 1 1/4" inlet and outlet designed with high suction for pulling water through the drive, and low pressure/high volume. The stock water fitting on the transom assy is 1 1/4".
    There are a few mfg's that make that pump for less that the cost of a Mercury pump
    http://www.performanceboats.com//signaturepics/sigpic837_1.gif
    B & D Marine Performance
    El Monte, Ca.

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