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Thread: Modified L31 with a Proflow 4 system

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  1. #8
    Fuel Injected!
    Join Date
    Feb 2013
    Location
    Euless, TX
    Posts
    2,333
    Just thought I would add it does run fully on its own fuel system now, TBI tank &sending unit with a vortec pump.. It literally started very quickly and easily considering the timing was a bit retarded and nothing has been messed with on startup fuel. I ran the engine independent of the vans harness, save for the fuel pump relay and fuel pump wiring I had already connected to the Proflows fuel pump output in the process of getting the wiring sparted.

    1st start
    https://youtube.com/shorts/pN8rTQVkP...uKOreS6DbHoHLx

    1st warmup, base timing adjusted to the specified 12 btdc with the set timing mode enabled
    https://youtube.com/shorts/RCqewqzyY...CnS_HpZFLTcJG9

    Warmed up, Idle air flow screw adjusted.
    https://youtube.com/shorts/q6WOUPrYw...pXAcUwvlrc1Uu6
    Last edited by Fast355; 01-28-2024 at 11:09 PM.

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