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

3200rpm Spring Install

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Old Aug 28, 2009 | 10:07 AM
  #21  
tower_ofpower's Avatar
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Originally Posted by RSWORDS
Those that feel like they lost a bit of power and smoke up top its probably because you are pulling your lift pump down to 0psi now.
yeah... about that... i'm sure an air dog will need to be in the works...
 
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Old Aug 28, 2009 | 12:48 PM
  #22  
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seems to have top end power. just lost some bottom end..

guess I should throw in a better pump anyways.
 
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Old Aug 28, 2009 | 01:07 PM
  #23  
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BOMBARDIER

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Did you do any other changes?
 
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Old Aug 28, 2009 | 01:33 PM
  #24  
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None at all. the only change was a slight adjustment of the idle since it was way to low when i set it back.. I think I added maybe 1.5 - 2 turns to the screw from where it was to get back. Fuel filter is good, just changed oil.

it's not a huge loss, feels like a bit more turbo lag honestly, it'll smoke but it cleans up faster than it did before the spring. i'm prolly due for a lift pump upgrade anyways.. and looking for a better clutch before this one comes apart.
 
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Old Aug 28, 2009 | 07:03 PM
  #25  
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way low after the spring install? if you didnt mess with the idle screw everything should have remained the same...
 
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Old Aug 29, 2009 | 12:01 AM
  #26  
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I got the idle screw almost off. i was gonna shorten it and install the screw side to the front for clearance to the pump housing bolt. I had it marked but couldn't ger it out.. it's a little tweaked like someone pried on it or somethin *shrug*

thinking about it. my issue is the grind I put on my fuel pin. it's very light then dipd hard.. so at lower crusing boost levels it's not fueling hard and saving me some fuel since I mainly drive highway. If i put the bottom end a little more agressive it should fix my issue.


i'm good.
 
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Old Aug 29, 2009 | 10:56 AM
  #27  
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i just angled mine relative to the factory profile and pushed it into the bench grinder...
put a slight curve to it... maybe... then i polished up the surface and wire brushed the crap out of it... i does ok
 
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Old Jan 26, 2011 | 07:32 PM
  #28  
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I'd hate to bump an old thread But i have a video now which helps with the 3200 Spring install alot.

 
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Old Jan 26, 2011 | 09:22 PM
  #29  
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BOMBARDIER

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