[DeTomaso] Fuel Pressure

[JDeRyke at aol.com]

In a message dated 6/4/09 4:55:53 PM, wdemelo at cogeco.ca writes:

> My tuner told me the pressure gauge should not move at all, under any 
> circumstances. I was just at a friends place and he revved his efi Pantera and 
> it went from 44 to 40lbs everytime he hammered the gas.
> 
Quite a few aftermarket injection systems, particularly on high horsepower 
engines, run up to 60 psi into the injector rails. Where is the fuel being 
pulled from the tank, and what size line? Everything should be at least 3/8" 
ID all the way from the bottom of the tank thru the pump out to the injector 
rails, and whatever pump you use should maintain that pressure with no 
drop, as your mech said. Maybe its time for a bigger pump? Wish I was there to 
help- J Deryke


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