Cat water pump

Discussion in 'Trucks [ Eighteen Wheelers ]' started by morehp, Mar 16, 2013.

  1. morehp

    morehp Medium Load Member

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    Jun 18, 2012
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    Anyone ever fitted mxs,nxs,sdp water pump to 6nz ? Pretty sure they are higher flow, something I've thought about for a while , may help high hp application's with cooling
     
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  3. HISPEED428

    HISPEED428 Light Load Member

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    Mar 28, 2009
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    A friend of mine with a C16 built by PDI say's they installed the water pump from his MXS or NXS onto the C16.
     
    morehp Thanks this.
  4. morehp

    morehp Medium Load Member

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    If they did it I'm thinking I'm right , did he notice any difference ?
     
  5. Superhauler

    Superhauler TEACHER OF MEN

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    yep it can be done. you have to change the thermostate outer housing and the water plate that goes on the back of water pump and im not sure but may have to change the neck that goes to the oil cooler also. but from what i have seen it doesnt make much of a difference in water temp. just curculates the water faster.
     
    morehp Thanks this.
  6. morehp

    morehp Medium Load Member

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    Here is some thermostat information for you all, many of you running the 248-5513 ?

    248-5513
    Start to open @ 178f = 81.1c
    Fully open @ 198f = 92.2 c


    247-7133
    Start to open @ 189 f = 87.2c
    Fully open @ 208 f= 97.7c
     
    black_dog106 Thanks this.
  7. Superhauler

    Superhauler TEACHER OF MEN

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    thats good to know i assume one is the 180's and the other is the 190 stats?
     
  8. morehp

    morehp Medium Load Member

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    Thats when they start to open yes
     
  9. Superhauler

    Superhauler TEACHER OF MEN

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    learned something from mr.(guru) about thermostats. i used to run 180's now i run 190's they maintain temp more evenly than the 180's. or that's what i've seen in this new engine. but i'll see what happens this summer when it gets hotter out.
     
  10. morehp

    morehp Medium Load Member

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    Yes it's coming out of summer here and I'm seeing a few issues with making reasonable power
     
  11. morehp

    morehp Medium Load Member

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    Haven't taken the time to look at c18 water pump and t stat housing anyone know the flow difference between c15 ? or the size of the hose that goes from pump back plate to t stat housing ?
     
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