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Piston Cooling Nozzles?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by areelius, Mar 3, 2016.

  1. Mar 3, 2016 #1
    areelius

    areelius Light Load Member

    270
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    Nov 9, 2012
    Temecula Ca
    0
    I have a Detroit 12.7 without the piston cooling nozzles. What is involved in adding them? The engine is in the truck and running. So can it be done by removing the oil pan?
    Thanks
     
    areelius, Mar 3, 2016
    areelius, Mar 3, 2016
    #1
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  3. Mar 3, 2016 #2
    lastgoodusername

    lastgoodusername Medium Load Member

    444
    215
    Dec 18, 2008
    central NC
    0
    if your block doesn't have coolers , your pistons are cooled thru the rods, same difference. I don't think that adding nozzles to a block is simply a matter of reaching up, loosening a set screw and screwing them in.
     
    lastgoodusername, Mar 3, 2016
    lastgoodusername, Mar 3, 2016
    #2
    Heavyd and areelius Thank this.
  4. Mar 3, 2016 #3
    areelius

    areelius Light Load Member

    270
    119
    Nov 9, 2012
    Temecula Ca
    0
    OK thanks. Can someone put up a photo of what they look like? Or explain them in more detail? I have a tune from Rebel 127 that makes 525 wheel horses. At what power level would they be needed? I know I don't need them now, but if I do an in frame should they be added?
     
    areelius, Mar 3, 2016
    areelius, Mar 3, 2016
    #3
  5. Mar 4, 2016 #4
    mhyn

    mhyn Road Train Member

    4,255
    4,515
    Dec 29, 2008
    Northridge, CA
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    12.7 engine has holes for cooling nozzles? o_O
     
    mhyn, Mar 4, 2016
    mhyn, Mar 4, 2016
    #4
  7. Mar 4, 2016 #5
    areelius

    areelius Light Load Member

    270
    119
    Nov 9, 2012
    Temecula Ca
    0
    I don't know anything except most 12.7s don't have the nozzles or sprayers?? When I took off my pan to look for them, Rebel 127 told me what to look for. I didn't see them, but they might have been there anyway. Maybe only the 500 factory horse 12.7s came with them. I would like to add them if possible.
     
    areelius, Mar 4, 2016
    areelius, Mar 4, 2016
    #5
  8. Mar 4, 2016 #6
    catwrench55

    catwrench55 Light Load Member

    211
    88
    Jan 5, 2015
    0
    From my research only ddec4 blocks cast later into 1998 had provisions for cooler nozzles. Lower hp engines had the holes plugged where they would be go. Mines a early 98 ddec4 606TK400357 and it doesn't have them or holes for them. A lot of hot ddec3 engines running fine for a long time without them.
     
    catwrench55, Mar 4, 2016
    catwrench55, Mar 4, 2016
    #6
    areelius Thanks this.
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