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 -

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Probably time for a Fass or Airdog, and a Rail Pressure Cap.
Might check the fuel filter. Another good thought would be the fuel module clogged, I've got one in the shop thats been giving me issue there! -

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thats too low a pressure bud..........nuttin left to cover for cooling and lubricity.........you need to upgrade the fuel delivery system

Kudos on destroying the tranny.......sounds like you knew it would happen.......Bombs away dude -

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i thoought it was low you can hear the injectors hammering durn a hard excelleration. I thought it was on the way out but im forsure now. There is a new filter in it -

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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