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Thread: '18 L83 walbro 450 install

  1. #1
    Tuner in Training
    Join Date
    Nov 2017
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    15

    '18 L83 walbro 450 install

    I am trying to install this pump into the pump module but the pump doesn't fit. It is too big around to fit in the can inside the module. What now?

  2. #2
    Tuner
    Join Date
    Apr 2014
    Location
    North Dakota
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    64
    It's just too big on the bottom right? When you install it, the center section of the assembly will stick up so the tabs don't work anymore. You need to use rivets to hold it in place.
    Like this: s-l1600.png
    2014 Silverado L83 | Knockoff S369 Turbo | LT1 Fuel Pump and Injectors | MAST L84 Port Intake | MS3Pro Secondary Fuel Computer

  3. #3
    Tuner in Training
    Join Date
    Nov 2017
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    15
    Quote Originally Posted by MORLOK View Post
    It's just too big on the bottom right? When you install it, the center section of the assembly will stick up so the tabs don't work anymore. You need to use rivets to hold it in place.
    Like this: s-l1600.png
    Thanks for the help. Good idea!

  4. #4
    Potential Tuner
    Join Date
    Mar 2019
    Posts
    7
    Will a walbro 450 affect the tune ? Any changes that need to be made?

  5. #5
    Tuner
    Join Date
    Apr 2014
    Location
    North Dakota
    Posts
    64
    I didn't make any tune changes. The pump is PID controlled, so it changes the voltage to meet the target pressure.
    2014 Silverado L83 | Knockoff S369 Turbo | LT1 Fuel Pump and Injectors | MAST L84 Port Intake | MS3Pro Secondary Fuel Computer