5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

Adj Boost Elbow

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Old Dec 11, 2007 | 08:08 PM
  #1  
sawmillman's Avatar
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From: lenior tn
Default Adj Boost Elbow

adj boost elbow worth the money with a stock turbo or keep saving of a bigger turbo.
 
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Old Dec 11, 2007 | 08:33 PM
  #2  
ndurbin's Avatar
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Yeah their worth the money, can get ya an extra 10-15 lbs. of boost.
 
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Old May 15, 2009 | 07:14 AM
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there only like 30 dollars, if you tighten the screw will you get more boost
 
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Old May 15, 2009 | 05:22 PM
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You don't want to push more than about 32PSI with a stock turbo, and honestly that depends on the RPM you are turning at that boost level as well. You will start pushing the compressor out of its map, and rapidly decreasing efficiency. However, up to about 32psi at around 2500-2600rpm and you're still golden. I would definitely recommend a boost elbow to anyone with a stock charger and a mildly bombed truck. Or even a non adjustable elbow set to 32psi.
Sean
 
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Old May 18, 2009 | 08:30 AM
  #5  
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so if you tighten that screw will you push more boost? can you tighten it all the way down, or will that jack stuff up?
 
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Old May 20, 2009 | 10:09 PM
  #6  
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you can it will give more boost but as they said after 32 you start to get negative affects with a stock turbo
 
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Old Jun 3, 2010 | 12:37 AM
  #7  
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where exactly do you install the boost elbow at???
 
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Old Jun 3, 2010 | 05:53 AM
  #8  
94 12valve's Avatar
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there should be a air line either from the afc or from the compressor housing going into the wastegate.
 
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Old Jun 3, 2010 | 08:06 PM
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You can tap the turbo inlet, screw the boost elbow in. Attach it to the WG. Cap off the afc line. Done.
 
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Old Jun 4, 2010 | 03:29 PM
  #10  
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Just get a needle valve from napa its part number 6820 only $8 and it will do the same exact thing except it can be turned by hand
 
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