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Which ones which? Fuel lines, that is

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On the SPFI throttle body, which fuel line is the input and which one is the output? I've got it setup with the upper one as the input and the lower one as the output. Is that right? I'm doing the SPFI conversion on Suby, lotsa fun!!

Carnk your motor over, see wich one throws fuel.

Line in from pump to bottom of throttle body. Line out from Fuel Pressure Regulator on throttle body to fuel tank.

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Cool, thanks! Figures, I was backwards. Thank you!

Glad to help :drunk:

 

Had mine swaped at one point also. After I was redoing some intake manifold gaskets. :rolleyes:

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