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What psi is walboro 255???

Old 01-10-2007, 02:20 PM
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Default What psi is walboro 255???

I couldn't find any resonable answers. Some say 55 psi and some say 60 psi. Since the search doesn't work hear either can any one give me a definate answer. Thanks.
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Old 01-10-2007, 04:24 PM
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Default Re: What psi is walboro 255???

tell me why you need to know and i may be help you.
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Old 01-10-2007, 06:56 PM
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Default Re: What psi is walboro 255???

fuel pumps dont flow a psi...fuel pressure is controlled by a fuel pressure regulator

the difference between the HP fuel pumps and the regular is that with the proper voltage, these fuel pumps will better flow at higher needed fuel pressures

but if you hook them up and let them run for an hour, they will both flow 255 liters of liquid
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Old 01-10-2007, 09:53 PM
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Default Re: What psi is walboro 255???

Originally Posted by xenocron

but if you hook them up and let them run for an hour, they will both flow 255 liters of liquid
at what psi?


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Old 01-10-2007, 10:03 PM
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Default Re: What psi is walboro 255???

Originally Posted by Mista Bone
at what psi?


pressure isnt part of the equation in Liters per Hour...

On another note...
injectors flow at lb/hr or cc/min at a particular PSI to compare one from another but the injector isnt creating the flow and this is why
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Old 01-11-2007, 01:45 AM
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Default Re: What psi is walboro 255???

Well, Im just not sure what to put for the fuel pressure on uberdata. I know stock i just leave it at 42 but not sure what i use a walbro.
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Old 01-11-2007, 01:51 AM
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Default Re: What psi is walboro 255???

yoour pressure raises and lowers threw the rpm band
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Old 01-11-2007, 03:59 AM
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Default Re: What psi is walboro 255???

Originally Posted by xenocron
pressure isnt part of the equation in Liters per Hour...
oh yes it is

Unless your doing all testing in the absolute vacuum of space
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Old 01-11-2007, 04:29 AM
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Default Re: What psi is walboro 255???


so would it be correct to assume that the liters per hour measurement is a statement of how much volume the pump will flow in a given period of time, regardless of pressure? like if you flow 255 liters over a period of an hour , does it matter if the fluid comes out at 2 psi or 1000 psi, its still the same amount of fluid.?

so then a low pressure pump would be better, or no?
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Old 01-11-2007, 08:24 AM
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Default Re: What psi is walboro 255???

Originally Posted by Mista Bone
oh yes it is

Unless your doing all testing in the absolute vacuum of space
well i dont know if they do their testing at sea level or at the top of Everest :P
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