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Thread: Fuel System Swap....

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  1. #3
    Join Date
    Oct 2005
    Location
    Baton Rouge, LA
    Posts
    997
    Quote Originally Posted by HarleyDave View Post
    Great pic's, any chance you have part #'s? Are you going to swap out the tank switching manifold with an '87? for the pressure increase now that you are pushing fuel instead of pulling?
    Selector valve is the same (or comparable competitor) model (see attachments). One must remember to change out the hose that connect between the SU to hard line, hard line to selector valve, selector valve to hard line, hard line to filter, filter to hardline (or in my case filter to fuel rail), etc... Otherwise, one may have hose failure. I thought it was interesting that the '87s still used those old style clamps, but then again, the fuel pressures were at about half the requirement of the Gen III requirements. Worm clamps (similar to the ones provided in the Walbro kit) will be replacing those older style clamps. The engineering comes when adding relays to the switch wiring to trigger one pump at a time. I'm drinking a Budweiser now, and about to put pencil to pad. I should have that worked out in a matter minutes. Maybe I'll redraw it when I'm done & post it up. LOL


    *EDIT*

    Walbro 255lph Kit
    Driver Side SU - Spectra Premium (P/N: FG05M)
    Passenger Side SU - Spectra Premium (P/N: FG05N)
    **You can go with AC Delco SUs, but prepare to pay $300 (or as cheap as $275 with a wholesale distributor)**
    Attached Images
    Last edited by 1BADC10; 09-24-2008 at 08:40 PM.
    Test-n-Tune (Nov 23, 2008) - 13.65s @ 98mph

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