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Setting fuel pressure for stage pumps on boosted LS3

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Old 08-06-2017, 04:53 AM
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Default Setting fuel pressure for stage pumps on boosted LS3

I have just fitted twin Walbro 450lph pumps and upgraded to an Aeromotive FPR with -8an feed and drains as well as -8an Holley fuel rails so i need to set my fuel pressure again.

I don't want both the pumps running at the same time so will be staging the second one.

How do i set the fuel pressure? Do i have them both run at idle and set it then? Or do i just set it at idle with one pump running?

The FPR will be hooked up to a vaccum line to increase with boost.
Old 08-07-2017, 06:38 AM
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If you're only going to have the one pump running at idle, I don't see any reason to set the fuel pressure any other way that with one pump running at idle.
Old 08-09-2017, 01:44 PM
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Great, thanks



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