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Home > Technical Chat > Do I need a fuel pres. regulator with 1275 supercharger?

smith1380gt

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Member #: 2116
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10th Mar, 2008 at 10:42:58pm

Hey guys-

I just bought a Facet silver top electronic pump for my 1275 running an Eaton M45 sucking through an HIF 44. I'm also running an Avonbar 26cc stage 3 head and expecting about 6-8 psi of boost. I'm wondering if I will need a pressure regulator and a return line, or if I can just run the pump straight to the carb? Any thoughts?

theoneeyedlizard

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Essex

10th Mar, 2008 at 10:47:04pm

I beleive that you can live without a pressure regulator and pump on a suck through.

In the 13's at last!.. Just

Bat

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Bermingum

10th Mar, 2008 at 10:58:28pm

Hi,
If your pump provides more than about 4 psi then you'll need to regulate it down to 3-4 psi.
On a Facet pump you could use an inline regulator which doesn't need a return pipe to the tank :)
Cheers,
Gavin :)

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