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

?'s Fuel Pin

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  #11  
Old 06-27-2009, 02:48 PM
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Originally Posted by Begle1
A witness mark along the entire face of the cone could be taken to mean a constant contact with the AFC lever.

It could also be explained due to the case pressure pushing out against the pin.


If there is something to be had by having that deep of a cone, then I don't see how that wouldn't mean there wouldn't be an equal amount to be had by grinding 1/8" off the pin?
Taking 1/8" off the pin would almost have to give you power I would think. It just would not allow it to travel all teh way back to pull all teh fuel out at low boost. I think...
 
  #12  
Old 06-29-2009, 09:29 AM
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if you grind the pin off then you wouldnt get full fuel as quickly it would incline with boost, you get about full fuel with the denny t with little boost and then it kinda just sits there im sure you would get a gain from grinding the pin no doubt but not the gains of a pin just my 2
 
  #13  
Old 07-02-2009, 09:30 AM
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I installed a bully gog fuel pin It really impressed me.
 
  #14  
Old 07-02-2009, 10:20 AM
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Originally Posted by 12valvemafia
I installed a bully gog fuel pin It really impressed me.


You notice any odd wear on it? I know they had a problem with soft metal but I'm pretty sure they fixed it.
 
  #15  
Old 07-02-2009, 10:23 AM
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Here is a good comparison between a ground stock pin and a DennyT Stage 2

 
  #16  
Old 07-02-2009, 11:28 AM
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I love My DENNYT stage 2, Highly Reccomand it!!
 
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