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  1. #1

    Fuel pressure regulator

    Hi all,. Had an exiting day yesterday when my new LS3 turned up 😊 however I'm now a little confused as to what to do about the return connection. I have seen that some people use a Wix combined regulator and filter unit with the return passing back under the pump and pre-filter to the tank.

    Could I ask what others have done as there is only one connection to the fuel rail on the engine? Also if anyone could advise where you could get a Wix unit.

    Ian

  2. #2
    Join Date
    May 2004
    Location
    Finchampstead, Berkshire, UK.
    Age
    53
    Posts
    3,505
    One of these is the norm.

    Regards

    Jim
    GD Mk3 Jag based
    Supercharged LS1
    T56 Gearbox
    3.54 LSD Diff
    AP Vented front brakes
    Outboard X308 Vented rear brakes

  3. #3
    Join Date
    Apr 2005
    Location
    Worcestershire
    Age
    43
    Posts
    2,064
    My Omex ECU came with the return valve.

    You only need one connection on the fuel rail, you T the hose between the fuel rail and the pump for the pressure return valve.

  4. #4
    Join Date
    May 2004
    Location
    Cowbridge, United Kingdom
    Age
    60
    Posts
    9,843
    I used what Jim posted the link to.
    Absolutely fine.
    Kev Davies
    South Wales Area Rep. UKCC Membership Secretary
    DAX Mk4, 383 Chevy Stroker, Tremec. SOLD
    Contemporary CCX 3-4028, 445ci Big Block FORD FE,TKO 600, Old School IVA'd and SOLD
    Dax De Dion LS2 and T56 IVA'd June '17 SOLD
    1965 Ford Mustang 289 Convertible FOR SALE

  5. #5
    Join Date
    May 2014
    Location
    Birmingham
    Age
    42
    Posts
    624
    yes use WIX33737 I'm off to the states next month and can pick you one up they are only about $15 over there.

    Alan.
    AK Gen II delivery date Oct '15
    IVA pass Dec '18.
    On the road Jan '19
    GM LQ4 364ci, LS9 cam, Omex 710.
    Tremec T56 Terminator.

  6. #6
    Guys many thanks for your replies I have just found out that the ECU kit I've ordered from AK comes with all the sensors and a fuel pressure regulator so therefore I'll wait and see what arrives.

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