phoenix70
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| posted on 20/11/05 at 09:48 PM |
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Swirl Pot and Twin Fuel Pumps
Hi
Here is a question for anyone out there running a Fuel Injected car using the Low Pressure Pump => Swirl Pot => High Pressure pump
arrangement.
How do you feed the two fuel pumps with power, do you feed the LP pump straight from the ignition and the HP pump from the ECU, or do you just power
both of them from the ECU. My worry is the ECU switches off the pump(s) when they are not needed, so the LP pump won't get a chance to fill the
swirl pot.
I think I've answered my own question, but anyone else opinions greatly welcomed.
TIA
Scott
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cidersurfer
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| posted on 20/11/05 at 10:09 PM |
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My LP pump runs permanently off a switched live from the ignition and the HP pump is controlled from the ECU 
shimming solid lifters is a job for a friend...
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davidwag
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| posted on 20/11/05 at 10:27 PM |
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Sounds like a good excuse for some extra switches and a full blown start up sequence to me 
You could just have a push button to bypass the fuel pump relay and manually prime the low pressure pump.
David
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BKLOCO
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| posted on 20/11/05 at 11:34 PM |
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circuit diag from Megasquirt FAQ's
Experience is what you get when you don't get what you want!!! 
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