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

Mack rack

Old 11-16-2014, 12:12 PM
Diesel Wrench
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Default Mack rack

So i just a question/ couple questions on a Mack rack. I know it's supposed to add 2mm or something in full fuel rack travel equating to like 20cc of fuel or whatever it may be. What my question is, does any other rack limiting mod trump the Mack rack. Like having not a 0/100 plate or having the plate not full forward. Because I thought the fuel plate was the rack stop so unless the plate full forward does the Mack rack not take effect.
Old 11-19-2014, 04:56 PM
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Diesel Bomber
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correct to take full advantage of the mack rack cap the afc and fuel plate will have to be modified
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