Fuel pressure
#1
Fuel pressure
I just hooked up the quadzilla rail pressure and fuel pressure gauge (thanks to Diesel Dawgs) and went the the beanfield race (300' drag race on dirt) to finish distroying the trans and was successfull. But i noticed that I was running the fuel down to 0-1 and the rail pressure never went above 13,762psi. any idea what it should be running
#3
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#5
Under wide open if your rail pressure is dropping under about 20k PSI then you're losing power. Your supply should be around 18 PSI with a good big line kit using an airdog or similar and your rail pressure will keep above the 20k PSI mark. A nice pressure box like an Edge EZ or MP-8 would do wonders for you too but only after you address the supply.
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cummins Pride
24 Valve 2nd Gen Dodge Cummins 98.5-02
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10-06-2014 11:28 AM