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Chevy LS Pro Flo EFI

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  • Chevy LS Pro Flo EFI

    Is the 357300 pro flo 4 efi XT system for chevy LS available in stand alone form without the intake and throttle body? Or with bigger injectors/throttle body? I have a 650-670hp 408 with Dart LS3 style heads and would like to utilize a XT style intake under my stock firebird hood. -Brian

  • #2
    I see what your saying. The LS only comes with 35 lb/hr injectors ( 550 HP ).
    But the Big Block units come with 60 lb/hr injectors ( 775 HP ).
    Both use the 90MM throttle body.
    Edelbrock has let some customers exchange their brand new ( never used ) injectors for larger ones.
    When you see the units are available, from Jegs, Summit Racingg, etc.
    Then you should call the tech line 800-416-8628.
    At 43,861 MPH Elon Musk now owns the fastest car in this Galaxy