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

p pump questions

Old Jul 22, 2011 | 06:05 PM
  #1  
forgasm's Avatar
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Default p pump questions

i just p pumped my gen one and i wanna get a little more fuel too hit without touching the plate, i was told to turn the screw on the diaphram on the back of the pump. i didnt know how far i can turn it and be safe, i have no clue about p pumps, thanks for your imput

---AutoMerged DoublePost---

the diaphram on the afc
 

Last edited by forgasm; Jul 22, 2011 at 06:05 PM. Reason: Automerged Doublepost
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Old Jul 22, 2011 | 06:23 PM
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That's for preboost Fuel, basically adds fuel with less boost required down low and more smoke. Still same amount of fuel as b4, just sooner. Won't add any hp, just feels like it since it'll feel stronger down low. Gotta mess with the plater or at the minimum slid it full forward for more fuel.
 
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Old Jul 22, 2011 | 07:04 PM
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put a plate and gov. springs in it
 
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Old Jul 22, 2011 | 09:19 PM
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Originally Posted by Red_Rattler
That's for preboost Fuel, basically adds fuel with less boost required down low and more smoke. Still same amount of fuel as b4, just sooner. Won't add any hp, just feels like it since it'll feel stronger down low. Gotta mess with the plater or at the minimum slid it full forward for more fuel.
but how far can i turn it, like how many clicks
 
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Old Jul 23, 2011 | 11:15 PM
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theres really no sense in adjusting all the other goodies if ur not gonna adjust fuel plate just my 2 sense are u running stock fuel plate?
 
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