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

INJECTOR HELP!! NEED NEW ONES

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Old May 19, 2010 | 02:19 PM
  #11  
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I have a pyro, boost and trans temp gauges...I started with those first now trying to do more upgrades.. I need a tranny but cant afford to do it like i really want to .. But ohh well ill get to it soon. Are there diff size govenor springs out there? and if so what would you suggest?
 
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Old May 19, 2010 | 04:55 PM
  #12  
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Originally Posted by jumpnjed
Whats an average price of the springs and are they hard to put in?
100- 120 bucks depending on if you get the 3,000 rpm springs or the 4,000 springs.
 
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Old May 19, 2010 | 05:26 PM
  #13  
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Or 5,000 or 6,000...
 
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Old May 19, 2010 | 07:22 PM
  #14  
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I will say the 5k springs are a blast on the street. way more fun than the 4ks
 
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Old May 19, 2010 | 10:03 PM
  #15  
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id stick with 3ks as your head needs to be done to handel any higher than 3200.
 
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Old May 19, 2010 | 10:41 PM
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Originally Posted by 94 12valve
I will say the 5k springs are a blast on the street. way more fun than the 4ks
oh yes they are. i love my CDS 5k. i like the touchier throttle and better bottom end.

id recommend a 4k set on the light side. then after that, get some 215 sticks. that can still get hot with your stock charger. get some air then you can throw more fuel at it.

Garrett
 
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Old May 20, 2010 | 07:17 AM
  #17  
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Will I have to have anything done to the head to use the 4k springs?
 
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Old May 20, 2010 | 09:16 AM
  #18  
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if you plan on turning over 3200 rpm a lot than yes otherwise no
 
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Old May 20, 2010 | 09:38 AM
  #19  
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What are my gains if I go with the 3K springs?
 
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Old May 20, 2010 | 10:02 AM
  #20  
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just get some 60lb valve springs and you will be good.

gains for 3k springs are you will now have fuel to 3k rather than 2400 or so. i still say go with a 4k set on the light side. wont fuel too high for you and leaves room to grow.

Garrett
 
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