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

Replacing my injectors

Old Jan 29, 2011 | 07:45 PM
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Default Replacing my injectors

This week i bought a set of 100hp injectors. i just wanted to know if there are any special tricks i need to know about when i do them. also, my buddy didnt know if they were 5x.012s or 5x.014s would anybody know?? i know SDX 5x.012s are 90hp.

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oh, and what clutch should i go with? i'm gonna pull it some, tow and its a daily driver. I'm pretty sure i'm gonna need a dual disc but i dont know what brand. and i'm kinda limited on cash, so i need the best bang for the buck.

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Does anybody know the torque specs on the thing that holds the nozzle on? (the bottom of the injector)
 

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Old Jan 29, 2011 | 07:52 PM
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This week i bought a set of 100hp injectors. i just wanted to know if there are any special tricks i need to know about when i do them. also, my buddy didnt know if they were 5x.012s or 5x.014s would anybody know?? i know SDX 5x.012s are 90hp.
I'm not too familiar with the 12V stuff, but I'm betting they are 5x0.012. an extra 0.002" on 5 holes would add a decent amount of fuel flow.
 
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Old Jan 30, 2011 | 11:30 AM
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I got the injectors in after all the bs of me and another guy that ordered injectors with me got mixed up it runs alot better, but it doesnt make anymore boost than it did before??
 
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Old Jan 31, 2011 | 02:13 PM
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What did you end up getting? I like my south bend ofe clutch btw.
 
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Old Jan 31, 2011 | 02:29 PM
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One of my buddies got em from this place in michigan where his brother-in-law gets them for his semis he pulls. i dont know what size they are i just know that they are a 5 hole injector.
 
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Old Feb 6, 2011 | 06:14 PM
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haha yeah its a good idea to look up the torque specs on your injectors i just put mine in snugged emm up and let her fly turns out they need to be torqued
 
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Old Feb 10, 2011 | 08:06 PM
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ya they need to be torqued to 44lbs
 
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Old Feb 10, 2011 | 08:44 PM
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about your clutch i need a new one and i do about the same as you. so i asked the local performance shop what i should get and they said a south bend ofe. it costs about $950 where i am getting it but i bet it is worth it. good luck
 
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