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    Holley Spreadbore/Quadrajet

    Thanks to the dual pattern design of the squarebore Sniper EFI systems, you have tons of options even if you're using the less popular spreadbore or Quadrajet style intake manifolds.

    If you're making up to 500 horsepower and want to maintain that classic Quadrajet look and sound, the Sniper EFI Quadrajet is perfect for you. While four 100 lb/hr injectors are standard like the base Sniper EFI system, the smaller primary throttle bores required us to scale back fueling in them to ensure proper fuel balancing between all four throttle bores. This is why the Quadrajet Sniper EFI is limited to 500 horsepower, whereas the standard Sniper EFI system is good for up to 650 horsepower. If you plan on making over 500 horsepower, the standard Sniper EFI will work fine thanks to its dual pattern flange, which will accept 4150 and spreadbore intakes. Both options feature 2 bar MAP sensors that will support up to 14.7 psi of boost.

    If your power goals exceed 650 horsepower and/or 14.7 psi of boost, there are several options for you. The Super Sniper 650, Super Sniper 1250, Sniper XFlow, and Sniper XFlow 1375 all have dual pattern flanges that will bolt right onto your spreadbore intake. They are all also equipped with a 2.5 bar MAP sensor which will support up to 21.5 psi of boost.

    Buy your Holley Spreadbore/Quadrajet here! 
    Buy your Holley Squarebore 4150/4160 EFI here!
     

    Sniper EFI Quadrajet

    With a naturally aspirated spreadbore combination, the two things you need to determine are power level and whether you want to retain a Quadrajet™ style EFI system. If you want to hear those big QJet secondaries roaring when you go WOT, the Sniper EFI Quadrajet™ will handle up to 500 horsepower. Due to the smaller primaries, we had to scale fueling back to maintain proper fuel distribution.

    If you power demand exceed 500 horsepower but are less than 650, the standard Sniper EFI system will work for you, thanks to its dual pattern flange. Since it has four equal-sized throttle bores, we did not have to dial back fuel flow like the Sniper EFI QJet.
     

    Sniper EFI Quadrajet™ - www.holleyefi.se

    Sniper EFI Quadrajet™

    • Designed to deliver the signature Rochester Roar at Wide Open Throttle!
    • Fits most stock Rochester Quadrajet™ (Q-Jet) air cleaners
    • Supports up to 500 horsepower with four 100 lb/hr injectors
    • Requires external fuel pressure regulator such as: part # 12-886 or 12-879
       
    Sniper EFI 4150 - www.holleyefi.se

    Sniper EFI 4150

    • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spreadbore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
    • Supports up to 650 horsepower with four 100 lb/hr injectors
    • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)

    Super Sniper EFI 4150

    If you're using a spreadbore intake manifold and going the forced induction route, you're in luck thanks to the dual mounting pattern flange incorporated into the Super Sniper and Sniper XFlow systems. Each system can handle varying levels of power, so be sure to check out the bullet points below to ensure you select the correct system for your application.
     

    Super Sniper EFI 650 - www.holleyefi.se

    Super Sniper EFI 650

    • Supports up to 650 horsepower with four 100 lb/hr Injectors
    • Compatible with Draw-Thru or Blow-Thru forced induction applications
    • User-friendly Boost Control with handheld adjustability
    • Programmable Target Air Fuel Ratios per Boost level
    • Advanced boost control is available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time – Same popular boost control offered in Holley HP and Dominator EFI systems!
    • 2.5 Bar MAP sensor included which safely works on applications up to 21.5 PSI
    • Dry or Wet Nitrous Support
    • Built-in Single stage progressive nitrous control
    • Progressive or Non-Progressive control strategies
    • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI) for N/A or Nitrous applications
       
    Super Sniper EFI 1250 - www.holleyefi.se

    Super Sniper EFI 1250

    • 1250 HP version features eight 100 Lb/Hr Injectors (Forced Induction)
    • The 800 CFM Main Body will support 650 Horsepower Naturally Aspirated
    • Compatible with Draw thru or blow thru forced induction applications
    • Built-in Single stage progressive nitrous control
    • Programmable inputs and outputs
    • User-friendly Boost Control with handheld adjustability
    • Programmable Target Air Fuel Ratios per Boost level
    • Advanced boost control is available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time – Same popular boost control offered in Holley HP and Dominator EFI systems!
    • 2.5 Bar MAP sensor included which safely works on applications up to 21.5 PSI
    • Built-in Single stage progressive nitrous control
    • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI) for N/A or Nitrous applications
       
    Sniper EFI XFlow - www.holleyefi.se

    Sniper EFI XFlow

    • The Standard Sniper XFlow features four 120 lb/hr injectors and will support up to 800 horsepower
    • The Sniper XFlow 1375 houses eight 120 lb/hr injectors to support up to 1375 horsepower
    • Compatible with Draw through or Blow through forced induction applications
    • 2.5 Bar MAP Sensor can handle up to 21.5 psi of boost
    • Built in Single stage progressive nitrous control
    • User friendly Boost Control with handheld adjustability
    • Programmable Target Air Fuel Ratios per Boost level
    • Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
    • Six Programmable Ground Outputs
    • One +5v Reference Output - +5V Power Supply for 0-5v Sensors
    • One Sensor Ground – Ground supply for 0-5v Sensors
    • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
    • Requires an external fuel pressure regulator: P/N 12-848 up to 800 HP or 12-851 for 1000+ HP.
       

    Brillko Engineering AB
    Det lilla företaget med den stora kunskapen! 
    - Vi erbjuder förstklassig service inom bränsleinsprutning för V8-bilar,
    hela vägen från tanke till installation.
    E-post: brillko@hotmail.com

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