Quick Fuel Technology® Q-850-E85 - Drag Race Carburetor

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Vehicle Fitment

American Motors
Avanti
Bentley
Bricklin
Buick
Cadillac
Checker
Chevy
Chrysler
Cunningham
DeSoto
Dodge
Dual-Ghia
Ford
GMC
International
Jeep
Kurtis
Lincoln
Mazda
Mercury
Nash
Oldsmobile
Packard
Plymouth
Pontiac
Shelby
Studebaker
Stutz
Sunbeam

Specifications

Barrel Quantity
4
Billet Color
Red
Booster
Down Leg
Carburetor Use
Performance and Race
CFM
850
Choke
None
Circuit
2
Cubic Feet Per Minute Rating
850
Emission Code
3
Finish
Shiny
Flange Type
Square/4150
Fuel
E85
Fuel System
Carbureted
Gasket Or Seal Included
Yes
High Speed Air Bleed
31
Idle Air Bleed Size
65
Linkage Attached
Yes
Marine Use
No
Material
Aluminum
Model
Q-Series
Primary Main Jet
86
Primary Power Valve
45
Primary Pump Nozzle Size
37
Secondaries
Mechanical
Secondary Main Jet
94
Supercharged Application
No
Throttle Bore
1-3/4"
Height
3.250"
Carburetor Type
Square Bore
Secondary Type
Mechanical
Choke
No Choke
Opening Point
4.5" Hg
Booster Type
Down-Leg
Fuel Inlet
Dual
Primary Jet Size
76
Secondary Jet Size
84
Throttle Bore Size
1-3/4"
Fuel Type
E-85
Type
Universal
Finish
Tumble Polished
Quantity
1 Piece

Features

  • Lightweight aluminum main body
  • Aluminum fuel bowls with dual sight glass windows
  • Billet metering blocks with 4-corner idle system
  • Changeable idle feed and power valve channel restrictions
  • Billet aluminum throttle body provides exceptional precision and strength
  • Teflon® coated and sealed shafts that have been slabbed for added air flow

Product Details

Drag Race Carburetor (Q-850-E85) by Quick Fuel Technology®. Ideally suited for bracket racers and weekend warriors alike, Q-Series carburetors are purpose-built for the dragstrip. To combat the g's experienced during hard launches, Q-Series carbs are equipped with notched floats and secondary jet extensions. The high-flow aluminum main body isn't just lightweight, but it also features recessed air bleed cavities for improved air flow. Die-cast venturi are machined to exacting tolerances for outstanding throttle response. Billet metering blocks ensure a uniform fuel curve, while throttle-bodies enhance durability. For those days when track conditions vary from one pass to the next, QFT's QuickLink system makes adjusting the secondaries easy on models equipped with mechanical secondaries. The Q-Series is our most comprehensive line of carburetors, with applications available for use with gasoline, methanol, and E85 fuels, forced induction, drag race, circle track, and comes in both vacuum and mechanical secondary models.

Part Number:
Q-850-E85
UPC:
849804001109
Alternate MPN:
Q850E85

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