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Thread: Fuel Delivery Setup... LQ4 swap

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  1. #1

    what would it take?

    so what would it take as far as modifications to the fuel rail to convert to a returnless setup? does that mean i would only have to run one line to the rail and not two? also will the rest of my setup be satisfactory (tank, pump, etc)?
    thanks,
    John

  2. #2

    returnless

    i capped my return line on the rail with a quick disconnect fitting and added a mechanical fuel pressure gauge to it.
    1985 Silverado LQ4/4l80e Turbonetics Single Turbo, 60lbs injectors, air to water intercooler, PST driveshaft, ARP head & rod fasteners, Custom cam, HP Tuners, PLX wideband, DUAL tanks still work!

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