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

EGT Problems

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Old Dec 25, 2012 | 01:16 PM
  #11  
JBearSVT's Avatar
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Yeah, I'd be interesting in the boost level vs. EGT temps myself.
 
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Old Dec 26, 2012 | 05:23 PM
  #12  
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what should your EGT's be Just running down the freeway at 65 MPH not pulling any load
 
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Old Dec 26, 2012 | 05:50 PM
  #13  
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6-700
 
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Old Dec 26, 2012 | 06:18 PM
  #14  
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Depends on the hills for me. @70mph I'm usually doing around 400° downhill and uphill 8-900°. 600° sounds about right on the flats though.
 
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Old Dec 27, 2012 | 11:16 PM
  #15  
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well then my EGTs are off the charts. i just had my pyro installed (pre boost) and with my foot to the floor im runnin at 1400... compared to my idle at around 400. I drive a 94 2500 cummins with the AFC kit #8 plate (slid 50% forward) KanN cold air intake and 4 inch MBRP straight pipes. i messed with my starwheel and honestly have no idea where it is and where it should be.
 
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Old Dec 28, 2012 | 05:12 AM
  #16  
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Originally Posted by Ironworker94Dodge
well then my EGTs are off the charts. i just had my pyro installed (pre boost) and with my foot to the floor im runnin at 1400... compared to my idle at around 400. I drive a 94 2500 cummins with the AFC kit #8 plate (slid 50% forward) KanN cold air intake and 4 inch MBRP straight pipes. i messed with my starwheel and honestly have no idea where it is and where it should be.
there is nothing wrong with these readings
 
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Old Dec 28, 2012 | 07:03 AM
  #17  
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Yeah, more fuel = more heat. With those mods, 1400° at WOT doesn't seem unusual. Or overly concerning, as long as you don't keep it there for miles on end. The most I can get out of mine is 1000°, but the only change to my fuel system has been cranking the starwheel FF. It barely even smokes, so the fuel difference is minimal and I'm sure the open exhaust doesn't hurt me either. Once you start screwing around with fuel plates though, it's a whole other ball game on the pyro.
 
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Old Dec 30, 2012 | 07:26 PM
  #18  
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Originally Posted by turbo2332
there is nothing wrong with these readings
I actually buried the pyro needle today foot all the way in uphill. but i also installed my boost gauge today and am wondering about it.... with pyro at 1200 i was seeing 15-17 psi ... is that good or bad?
 
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Old Dec 30, 2012 | 07:38 PM
  #19  
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bought average. put a boost elbow on it and run it at 35psi and see what your pyro reads.
 
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Old Dec 30, 2012 | 07:40 PM
  #20  
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isnt the boost elbow only for manual trannys?
 
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