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

Help?? Please?? AFC

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Old 01-12-2011, 01:22 PM
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Default Help?? Please?? AFC

I put a #8 fuel plate, adjustable boost elbow, gauges, and moved the afc all the way forward. More power at low speed, but falls on its face at 2100. Can not make more than 18 lbs of boost. Have not moved smoke screw. Boost elbow put on turbo. Please what am i doing wrong?? Or what am i missing?? Thanks to all here a great site!!!

Mike
 
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Old 01-12-2011, 03:13 PM
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the stock gov springs defuel around 2100 to 2200 rpm, thats what your feeling.
 
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Old 01-12-2011, 05:43 PM
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x2 on the gov springs. that'll wake it up alot
 
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Old 01-12-2011, 06:02 PM
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x3 on gov springs but if you put 4k gov springs in make sure you change your valve springs
 
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Old 01-12-2011, 07:07 PM
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To add to their suggestions i would say if you dont plan on going with 4k's buy them anyway because eventually you will want them.
 
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Old 01-13-2011, 09:14 AM
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Is there a how too thread on govorner springs?? Been searching. Have not found yet, but am Very computer illiterate!!! Or an easy way to find??
And thanks to all!!! I thought mayby thats was it. Lower end power is alive after plate though!!!
 
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Old 01-16-2011, 03:04 PM
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Diesel performance accessories for Dodge Cummins, Ford Powerstroke, Chevy Duramax has 4k kits for good price and comes with instructions on how to do it is very easy u just have to be carefull not to drop anything in your pump bc pulling it off to get it out will suck and it makes it easyer with a magnet
 
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