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

wanting to up boost

Old Dec 20, 2009 | 04:18 PM
  #1  
mylilpwny's Avatar
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Default wanting to up boost

wat is the threshold for our turbo and heads ... and is there other ways of raising boost other then a boost elbow ... mainly diy style that i can do at home for cheap ? ... wanting to get a bit more power
 
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Old Dec 20, 2009 | 04:29 PM
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take silencer ring out. i have boost elbow, i think they only like 20 bucks. otherwise ive heard of ppl complety plugging it off, cant say for sure how much boost it can handle but
brother has vp truck hit 45psi many times pulling 10k. any thing up to 35 shuld be safe
 
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Old Dec 20, 2009 | 04:46 PM
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how do you plug it off ? ... could be fun just to mess around for a day
 
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Old Dec 20, 2009 | 04:56 PM
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pull hose off turbo where the elbow would go put a plug in the hose and put plug where the hose came off, try that. im not sure if pulling the silencer ring out actually helps, but it sounds nicer.
 
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Old Dec 20, 2009 | 05:10 PM
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ya i pulled the ring before my boost gauge went in ... but didnt notice any difference ... wat would you use to for a plug ?
 
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Old Dec 20, 2009 | 05:17 PM
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a bolt... but def watch the boost gauge if u do this
 
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Old Dec 20, 2009 | 05:18 PM
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Silencer ring wont add anything power wise but is sure does make it sound better. Most use a plug of some sorts, or crimp the hose off. Anything over 35psi on the stock HX35 is just pulling in hot air.
 
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Old Dec 20, 2009 | 05:31 PM
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so just pull the line from the back of the afc housing and shove a bolt in it ?
 
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Old Dec 20, 2009 | 05:34 PM
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most definently sounds better with ring out

---AutoMerged DoublePost---

no off the bottom front of turbo.

---AutoMerged DoublePost---

underneith where the inlet to turbo is
 

Last edited by wes-cummins; Dec 20, 2009 at 05:34 PM. Reason: Automerged Doublepost
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Old Dec 20, 2009 | 05:51 PM
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there is nothing there ... am i missing something ... its a brass 90 elbow right ... i see nothing ... and the only line on my waste gate runs from it to the back of the afc housing
 
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