5.9L Rotary Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps Related To Performance And Longevity

14mm or 16mm turbo housing

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Old Jul 21, 2009 | 01:47 AM
  #11  
Rocky Mountain Texan's Avatar
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unfortunately i have the four speed auto with the overdrive, but i have a heavy duty aftermarket transmission cooler that helps out a lot.
 
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Old Jul 21, 2009 | 01:51 AM
  #12  
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well its not the tranny temps id be worried about. i notice with my budies auto compaired to my 5 speed it bogs down alot more wich creates heat and turbo lag, id go with the 14 with the auto and a 16 with the 5 speed, just for lag reasons
 
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Old Jul 21, 2009 | 01:56 AM
  #13  
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alright thanks, i enjoyed the lesson. i look forward to collaborating with you again.
 
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Old Jul 21, 2009 | 01:58 AM
  #14  
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any time. im putting in for the night another long day from 8am-10pm tomarrow, give me a holler any time
 
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Old Jul 21, 2009 | 02:00 AM
  #15  
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Catch ya another day another way come on!
 
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Old Jul 21, 2009 | 09:54 AM
  #16  
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would a 14mm ext. housing bolt up with the stock turbo?
 
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Old Jul 21, 2009 | 11:09 AM
  #17  
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idk i'll have to check before i do it
 
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Old Jul 21, 2009 | 12:49 PM
  #18  
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I was running a 18cm3 housing on my 89 and i saw 40 psi quick like, very little lag. Now im going with a ported pdr 16cm3 housing with a 60mm compressor, should not be any worse lag then what i had before.
 
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Old Jul 21, 2009 | 01:12 PM
  #19  
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i have a 14cm housing and i'm pushin 400hp,it lights super fast.and i get about 38psi.and as far as heat goes i can put mine on the mat,and i'm dumpin alot of fuel,and the most i getr is like 1200-1300* it runs very cool
 
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Old Sep 15, 2009 | 10:23 PM
  #20  
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Originally Posted by 94cummins12v
...id go with the 14 with the auto and a 16 with the 5 speed, just for lag reasons
Actually, the bigger housing would better for towing with an auto because you only have spool it once and it'll run a little cooler.

The truck in my avatar is a stick and I tow with a 12cm non-wastegated 60mm hybrid. It'll pull a house down with the 4.10s. It's fueled to max out around 25psi boost and EGT is manageable with W/M as long as the VE is not turned all the way up.
 

Last edited by NadirPoint; Sep 15, 2009 at 11:10 PM.
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