1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

HC1 Upgrades???

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Old Mar 9, 2012 | 08:17 PM
  #11  
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Originally Posted by flyingcrodeo
Well i'm gonna be towing with it and stock fuel might turn the screw up a little but thats about it and yeah its got the getrag 5speed
If you ever plan to tow up a hill, get the 16

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Old Mar 10, 2012 | 12:37 AM
  #12  
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X2
 
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Old Mar 12, 2012 | 08:02 PM
  #13  
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sorry but another newbie question,what are the differences in all these and what are the benefits of each?
 
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Old Mar 12, 2012 | 10:19 PM
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A smaller exaust housing will let your turbo spool faster, ( less lag ) but also build a little more heat, not too noticable unless you go smaller than a 16cm.

the 60mm upgrade compressor wheel and housing will pump more air and clean up smoke on a turned up VE pump, it will also build a noticable amount more power and boost.

Dar
 
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Old Mar 13, 2012 | 09:23 AM
  #15  
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so in other words the 60 is a better mod?
 
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Old Mar 13, 2012 | 09:51 AM
  #16  
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Originally Posted by trentowens92
so in other words the 60 is a better mod?
They are different mods to serve a different purposes. If you want more air, upgrade the wheel, if you want quick spool up and have egt's to spare change the exhaust housing. If you want both, get a different Turbo cuz that's a lot of money to sink into an h1c

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Old Mar 13, 2012 | 12:22 PM
  #17  
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Well what's a better turbo that's as good or better than the 16cm and 6 blade and 60mm upgrades??? That'll cost about $620 off of pure diesel .com. Doesn't sound to bad to me
 
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Old Mar 13, 2012 | 12:25 PM
  #18  
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at what egt are you running dangerous?
 
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Old Mar 14, 2012 | 02:17 PM
  #19  
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Originally Posted by trentowens92
at what egt are you running dangerous?
When the exhaust starts to melt....
 
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Old Mar 14, 2012 | 02:23 PM
  #20  
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1250 continuous at the manifold on the exit of the rear 3 cylinders is the consensus. As for short peaks, there is no absolute but you can go hotter than 1250 for a few seconds from time to time.

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