12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

Oil in water?

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  #11  
Old 01-22-2009, 07:00 PM
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Originally Posted by dieselfreak101
check the tranny oil there is a tranny oil cooler under the turbo that can be prone to rust and leak. other than that keep an eye on the engine oil there might not be large enough hole and enough pressure to force the coolant into the oil.
think about pressures oil pressure is about say 40 to 60psi and you radiator is 15psi about oil presure is higher= oil in water. this is most the time how it happens. there are times though were it happens Back asswards
 
  #12  
Old 01-22-2009, 08:02 PM
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i had oil in my water and water in my oil when my headgasket went
 
  #13  
Old 01-22-2009, 08:14 PM
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Originally Posted by 94cummins12v
i had oil in my water and water in my oil when my headgasket went
this is usually caused by when you shut your truck off your radiator will hold pressure longer the your oil pressure.
i have scene a head gasket blow and oil or water never mixed. just depends where it blows on the gasket.
 
  #14  
Old 01-22-2009, 08:43 PM
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yep thats true
 
  #15  
Old 01-23-2009, 06:47 AM
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Originally Posted by 94cummins12v
why not studs? i figured since i had the head off i would do everything right, had it o-ringed, port and polished, intake and exhaust 60lb hd valve springs, oversized valves and head studs
Originally Posted by oglejust
y do orings and no studs? id rather have studs and just a reg. head gasket.


Just a personal preference.
 
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