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Thread: Walbro GSS340 install problems

  1. #1

    Walbro GSS340 install problems

    Hi guys, we bought a Walbro GSS340 fuel pump from summit a while back and tried to install it yesterday on our 99 Silverado 5.3 and it just plain wont fit, I read something about having to make some modifications to the module where it sits, is there a write up somewhere on how to do that?

  2. #2
    broke1 Guest
    You have to cut/grind some of the plastic away that getting in the way.

  3. #3
    Join Date
    Dec 2007
    Location
    Texas
    Posts
    203
    yeah it takes a little modification but it works.
    2005 crew cab, new crate lq9 with comp 212/218, 558/563 on 115 cam, 80mm t.b. coated long tubes, off road y, flowmaster cat back, dynomax bullet, ngk plugs, msd wires, k&n cold air kit, 4.10 gears, auburn pro lsd, transgo shift kit, nelson drive tune, trailblazer i-6 torque convertor, anzo lamps, ss front bumper, z71 tahoe rear bumper, debadged, kenwood touchscreen with headrest monitors, JL components, coaxials, sub, 5ch amp. bell tech 2/4 drop. 22x10 ss wheels with 285/35/22 bfgs.

  4. #4
    Join Date
    Jan 2010
    Location
    nw ohio
    Posts
    12
    i burnt one up in 3 mos got to cut bottom of basket out to get flow. also a nitrile(blue) glove rapped around it will help the rattle

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