12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

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  #11  
Old 10-19-2009, 08:32 PM
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how much air?

put air to it until the afc arm stops moveing. is your afc modded or still all stock?
 
  #12  
Old 10-19-2009, 10:29 PM
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stock ive just played with the starwheel i dont know much about the whole setup of pumps yet
 
  #13  
Old 10-20-2009, 06:05 AM
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ok, the afc is very simple to work on. where the boost line comes in on the back of the afc there are 3 bolts and 1 break away bolt. take them off and the back cover should come off, under the cover is the diaphram. on the other side of the afc there is a either a 10mm or 8mm bolt that holds the rod connecting the afc arm to the diaphram. take that bolt out and pull the rod out and the afc will come appart.
 
  #14  
Old 10-20-2009, 03:01 PM
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once its apart what do i do to it i want to learn as much as possible
 
  #15  
Old 10-20-2009, 03:28 PM
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it's really simple if you stay simple. i'd say just move your plate full forward, and then just back a little so you can get the top of the afc back on, then make sure that the arm isn't hitting below the plate. if it is, then adjust it by taking off the cap on the back of the afc and adjusting the lower screw, i'll give you pictures if you need them. if it's all good with the plate forward and the arm hitting right.... close her back up. now on the back of the afc top, there will be a cap held on by two screws... take off the cap and losen the screw under there. then tighten it back up until you just feel it hit something, and then lock it back by tightening the nut. then put the cap back on it. now move to the star wheel which is located under the cap on the very top of the afc... adjust this to how you want it. just click the rind under the cap forward until you like how the truck runs. i think thats the simple version and should get it running pretty good. hope it helps, and i'm sure someone might go into more detail after this post. also, probable the easiest way to find out is just search this forum for further info for like turning up pump...
 
  #16  
Old 10-20-2009, 03:31 PM
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well dont run a plate i want my afc tuned perfetly for my needs and once you do that a plate is useless
 
  #17  
Old 10-20-2009, 04:40 PM
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If you would like me to make a trip to PA I will gladly show/explain how I did mine. It would have to be next week tho.
 
  #18  
Old 10-20-2009, 05:32 PM
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that would be great but im at college right now so im not at home on through the week
 
  #19  
Old 10-20-2009, 07:10 PM
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you can come out to arizona 12valvetater but how do you tune where you need no plate? any pics of every thing?
 
  #20  
Old 10-20-2009, 07:33 PM
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cut the afc arm offffffffffffffffffffffffff !!!!!!!!! and stop playing with it grind ure plate play with some afc springs and star wheel and get back to us
 


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