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

Fuel pin a hoax?

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  #11  
Old 10-27-2010 | 04:10 PM
RSWORDS's Avatar
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Originally Posted by Richie O
My M&H M2 pin delivers way less fuel on the no boost end then the stock cone had and also fuels way harder on the deep end. I was able to take 1 full turn out of the fuel screw to keep my boost at 45 psi. From my experence and my truck the pin was good for about 5 pounds of boost by itself. More boost= more fuel= more power. Tell the pump tech he is a gimmick.
yep...

On a side note one of our sponsors, DennyT, has a new pin out... keeps eyes out because we will be giving away a couple verysoon...
 
  #12  
Old 03-30-2011 | 12:33 AM
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Originally Posted by 6btDakota
I had a pump tech tell me that fuel pins for the ve are just a gimmick and if your fuel screw is at runaway an afc pin isnt going to give you more power just smoke. Is this true if not why not?
I don't have any gauges (yet) to give you numbers but I've had an Old Smokey & now a DennyT stage 1.... The "go pedal" tells me that they work!! The truck used to be a slug getting onto a highway, now it's charges out!
 
  #13  
Old 03-31-2011 | 05:35 PM
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Denny T stage 2 all the power you need
 
  #14  
Old 04-01-2011 | 08:57 AM
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Originally Posted by 1989w250
Denny T stage 2 all the power you need
Glad to hear you say that I just ordered mine, it should be here next week
 
  #15  
Old 04-01-2011 | 09:57 AM
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Yeah i turned up the pump at the same time and with the pin i had no problem doing rolling burnouts
 
  #16  
Old 04-04-2011 | 10:54 AM
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It's taken me quite awhile to get my fuel cone where I want it. Every spring and fall for the past 4 years I pull it to inspect the guide pin track. Last week was the first time since I had the truck I did not do something, either grind & shape a little or take some more of the washer off. At one point a couple years ago I even used the welder to add some back in around the middle and lower portion of the profile. The guide pin will only go so far, and I considered getting full upward travel with minumum extension on the guide pin to reduce low boost smoke just as important to me as max travel at full boost.

I left a couple turns on the table with the full power screw, now getting 29psi at full boost with stock IC injectors and very little low boost smoke. You can't do that on one of these trucks without a properly designed fuel cone. The stock one does what it's designed to do with the stock setup, turbo, etc., which is basically not much - stock.
 
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