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Installed Dual intank 255's

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Old 02-16-2006, 05:53 PM
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The nexus fuel pressure gauge is pretty cool since it warns you when pressure is dropping off..
Old 02-17-2006, 10:38 AM
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Originally Posted by HellRaiser
you would have a good product there, if you came up with some kind of warning system. But either way( way you wire up the pump) without the warning I think you'll find out a pump is not working the hard way unless you watch your fuel pressure which I always kept a eye on.
yea, thinking about it, a fuel pressure delta change would be the way to go...

some simple logic that says: the fuel pressure is dropping.... BEFORE it drops to a really unsafe level.

im thinking a fuel pressure sensor, a A/D converter, a PIC and a warning LED might work.... hmmmm
Old 02-19-2006, 07:02 PM
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How bout a hobbs switch set for a certain PSI. Connected supplying ground to an led or a light?
Old 02-19-2006, 07:06 PM
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My buddy has an oil pressure "safety switch" on his big block buick. At xx psi it kills the motor. I am wondering if there is anything like this that can be modified to work for fuel pressure?

Andy
Old 02-20-2006, 08:23 AM
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Originally Posted by BlkHwk
How bout a hobbs switch set for a certain PSI. Connected supplying ground to an led or a light?

that would be the most basic safety system possible... but effective.. it wont tell you whats wrong, but you'll know to let out of it.

id go one step further with that and have it trigger a self energizing relay... so that a momentary drop below that amount, would make the light stay on constantly until you reset it.

although you'll then have to add some kind of arming or self-reset to it then.. otherwise it may come on during startup.

Originally Posted by White.Lightning
My buddy has an oil pressure "safety switch" on his big block buick. At xx psi it kills the motor. I am wondering if there is anything like this that can be modified to work for fuel pressure?

Andy
as long as you accounted for things like startup and such, theres no reason you couldnt do that... just have it open some relays for the two injector/coil wires.




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