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QFX Series 4711-E85 1150CFM E85

3-Circuit

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CFM

PART# FX-4711-E85

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Overview

Serious drag racing demand a serious drag racing carburetor, and the QFX-Series stands as the flagship model in QFT's lineup. Raised air horns improve entry angle into the venturi while ensuring undisrupted flow over the air bleeds. Annular boosters with CNC-machined billet aluminum inserts provide increased air flow, a stronger signal, and less turbulence. QFX carbs offer unparalleled fuel atomization with annular boosters specific for either gas, methanol, or E85 fuels. Five-emulsion billet metering blocks and four-corner idle circuits offer flexible tunability that today's high-horsepower engines demand. To cover a broad range of applications, methanol- and E85-compatible models, as well as two- and three-circuit fuel systems, are available. Ready to run out of the box, the QFX-Series carburetor will help you get to the winner's circle. •QFX aluminum main body w/raised venturi •Billet aluminum metering blocks with screw in restrictions •Aluminum fuel bowls with dual sight windows and fuel inlets •Nitrophyl® Floats (notched rear) and jet extensions •Viton .130" Needles and Seats •Billet Aluminum annular booster inserts •QuickLink™ adjustable secondary opening adjustment •Hand assembled and engine tested

Specs

Barrels4
Billet ColorGreen
BoosterAnnular
BrandQuick Fuel
CFM1150
ChokeNone
Circuit3
Emission Code4
FinishShiny
FuelE85
Fuel SystemCarbureted
High Speed Air Bleed28
Idle Air Bleed Size39
Intermediate Air Bleed63
MaterialAluminum
ModelFX Series
Primary Main Jet94
Primary Power ValveN/A
Primary Pump Nozzle Size47
Product TypeCarburetor
SecondariesMechanical
Secondary Main Jet94
Supercharged ApplicationNo
Throttle Bore2.0000 inch
Part NumberFX-4711-E85

Service Parts

Emissions

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

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