1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

Some noob questiosn 3200 rpm spring etc

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Old 04-25-2011, 02:14 PM
winmutt's Avatar
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Default Some noob questiosn 3200 rpm spring etc

Is the Cummins limited to 3200 rpm or is the pump limited to 3200rpm and half the speed of the crank? What is the max RPM anyone has gotten out of the VE pump?
 
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Old 04-25-2011, 04:34 PM
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The spring limits the engine to around-about kinda sorta somewhere close to 3200 RPM. I've spun mine 4k. Unlike the P-Pump the VE does not make much power that high, the plungers wont fill with fuel fast enough.
 




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