Stillen SC fuel pump mod

Originally Posted by phunk Its a different thing. The venturi has to be drilled for larger fuel pumps, with or without a return system. The regulator only has to be

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Stillen SC fuel pump mod

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08-24-2016, 05:22 PM

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Jayhovah

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Quote:

Originally Posted by phunk

Its a different thing. The venturi has to be drilled for larger fuel pumps, with or without a return system. The regulator only has to be drilled for larger fuel pumps if you dont have a return system, since a return system gets rid of the regulator anyway you wouldnt need to drill it.

I see... I am running a Walbro 255 (returnless) and I didn't drill anything. My fuel pressure is a little high at idle but I don't have any issues... You've previously told me i don't need to worry about the venturi since I'm not having idle problems.... What are the potential consequences of not drilling the regulator?

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