Ok, with the exeption of you radix guys. I need to know who has installed a walbro pump in a 04 or 05 with a returnless fuel system. ( In tank Pump) I have a walbro gss342 pump for my denali, the walbro pump is about 1/2 inch in diameter smaller then the stock pump, I am trying to figure out what I can do to make it fit snug. I dont really want it free floating in there. Granted the fuel pump sock will help support it some at the bottom. Need some help here please..
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