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

head gasket or oil cooler?

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Old Mar 24, 2012 | 11:00 PM
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Default head gasket or oil cooler?

on my way to work this morning my temp gauge kept climbin n climbin so i pulled over, popped the hood, the radiator cap was cool so i wrapped a rag around it n opened it(i realize this is not a good idea...) n a milky mess of oil n coolant came rushing out. i'll be haulin it home tomorrow after work but i just wanted to get some opinions. do u guys think its the oil cooler or the head gasket? there is alot of oil in the radiator, but no coolant in the oil. i pulled the dipstick n everything looked normal
 
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Old Mar 25, 2012 | 12:03 AM
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It sounds like the oil cooler is out.
 
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Old Mar 25, 2012 | 08:11 AM
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Overheating is generally associated with a blown hg. Is combustion gas present in the coolant? Has a compression/leakdown test been performed? Any external hg leaks? What mods are on the truck?

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Old Mar 25, 2012 | 11:00 PM
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all i've done so far is haul the truck home. no tests performed yet, no external leaks, no white or gray smoke, there is coolant in the oil too tho, i did notice the milky color on the blow by tube when i was chainin it down today. all my mods are in my sig. im wonderin if maybe i have a little too much timing for just studs n a stock gasket... if it is the HG i'll be havin the head machined for o rings
 
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Old Mar 25, 2012 | 11:32 PM
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You need to make your signature visable below your post.
 
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Old Mar 26, 2012 | 08:21 PM
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Originally Posted by 97cummins
You need to make your signature visable below your post.
and um, how exactly would one go about doing that? haha
its visible to me underneath my first post


wait wait.... down below where im typing right now it says show signature. and the box is checked. u guys cant see my sig?
 
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Old Mar 26, 2012 | 09:16 PM
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I can see it
 
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Old Mar 27, 2012 | 02:13 AM
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I can't see it
 
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Old Mar 27, 2012 | 07:56 PM
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95 dodge ram 2500 rclb nv4500 swap, bigger input shaft, SB 3250DD, Airdog 150 @ 40psi,215 pump, 4kgsk, 60# valve springs, no plate, TorkTek 060 OFV, SDX 5x12's, 3 pc manifold, BHAF, Dtech 62/65/12, timing 20*, studs, 4" DP-5" single aussie. 4 1/2" BDS lift, 35" General Grabbers, crossover steering, 4.10's
there ya go. im thinkin its prolly a bit too much timing for just studs
 
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Old Mar 27, 2012 | 10:09 PM
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if you need a heat exchanger I have one pm me
 
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