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

getting boost

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Old Feb 22, 2010 | 06:56 PM
  #1  
440ctd's Avatar
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From: cleveland
Default getting boost

I have read the adjusting/moding the afc and the smoke screw but with my setup currently I get very little boost maybe 10 psi max if I hammer it
the egts when in overdrive get to 1100 leveled off in the other gears are about 700-800

how can I get more boost? without killing my egts?
this isnt even towing anything

thanks
 
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Old Feb 22, 2010 | 07:50 PM
  #2  
wisconsin redneck's Avatar
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From: waukesha,wisconsin
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hmmmmmm i can peg 25 lbs with my stock hx35..... i think you should be getting alot more then 10 lbs with your hx40.... does your turbo has alotta shaft play?
 
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Old Feb 23, 2010 | 12:20 AM
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make sure your gauge is good.
 
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Old Feb 23, 2010 | 05:33 AM
  #4  
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brand new turbo less than 5 k miles on it and it has normal play. can hear the wisle right above idle. 1100rpm just no boost
guage worked when I had the hx35
 
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Old Feb 23, 2010 | 05:42 AM
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Is the waste gate set right.?
 
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Old Feb 23, 2010 | 05:47 AM
  #6  
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sounds like wastegate to me
 
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Old Feb 23, 2010 | 09:12 AM
  #7  
94 12valve's Avatar
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check your intercooler boots
 
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Old Feb 24, 2010 | 08:01 AM
  #8  
wisconsin redneck's Avatar
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yeh i would check those boots for a hole.... unless u or somebody else messed with your turbo the waste gate should be fine... but i'd check that too....
 
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