05-01-2009, 11:43 AM
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CC Member
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Join Date: Dec 2001
Location: San Diego,
CA
Cobra Make, Engine:
Posts: 2,979
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Eric it can be done with your existing tank. Did this exact thing to a friends SPF. Fab up a 1 gallon surge pot and feed the FI from there with -10. Run the FI return line (probably -8) to the surge tank and then vent the surge to the main tank return (-6). Use a standard electric pump from the main to to the surge tank (-6).
This way the small fuel pump only has to keep up with the fuel that is actually burned and the big pump always has a steady supply.
Works great and you don't have to mod the existing tank.
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