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Quick Fuel Q-Series Carburetor
These carburetors feature QFT's famous high flow aluminum main bodies. Screw-in air bleeds enable fine tuning of both idle and high speed circuits. CNC machined billet metering blocks with multiple emulsion channels providing a more precise fuel metering. This provides a more uniform fuel curve and improved throttle response. CNC machined throttle bodies. Slabbed Teflon coated throttle shafts are assembled with Teflon ribbons for years of smooth operation. Adjustable secondaries. Aluminum fuel bowls with dual threaded fuel inlets and dual sight glasses.
Part Type: Carburetor
Model: 4150
Fuel Type: Gasoline
Application: Drag Race
Number of Barrels: 4
CFM: 850
Choke Type: None
Fuel Inlet: Dual
Fuel Inlet Fitting Size: 5/8"-18 Inverted Flare
Secondary Type: Mechanical
Throttle Linkage Type: Universal
Ford Auto Trans Kickdown: No
Main Body: Aluminum
Booster Type: Down Leg
Screw-In Air Bleeds: Yes
Primary Venturi Diameter: 1.390"
Base Plate: Billet Throttle Body
Base Plate Pattern: 5.16" x 5.62"
Primary Throttle Bore Diameter: 1-3/4"
Secondary Throttle Bore Diameter: 1-3/4"
Primary Metering Block: Billet Aluminum
Secondary Metering Block: Yes
Primary Fuel Bowl: Center Hung Float, Aluminum
Secondary Fuel Bowl: Center Hung Float, Aluminum
Externally Adjustable Floats: Yes
Fuel Bowl Sight Windows: Dual
Primary Accelerator Pump: 30cc
Secondary Accelerator Pump: 30cc
Primary Main Jets: 76
Secondary Main Jets: 84
Jet Extensions: No
Quick Change Jet Ports: No
Needle & Seat: .120" Viton
Idle Bleed: .073"
Intermediate Bleed: NA
Hi-Speed Bleed: .033"
Primary Power Valve: 4.5" Hg
Secondary Power Valve: NA
Primary Pump Nozzle Size: .033"
Secondary Pump Nozzle Size: .033"
Secondary Spring Color: NA
Finish: Shiny Tumble Polished/Red Anodized
PCV Port: Yes
Vacuum Port - Timed (Spark): One
Vacuum Port - Full Vacuum: One
Manufacturer: Quick Fuel Technologies
Manufacturer's Part Number: Q-850
Weight: 8.85lbs.
Warranty: Quick Fuel Technology warrants to the original purchaser only that its new and remanufactured products shall be free from defects in material and workmanship for a period of 90 days from date of purchase. In the event of a defect in material or workmanship, QFT will, at its option, repair or replace the product, or any defective part or parts thereof, without charge to the original purchaser. This warranty does not apply to products that have been modified or altered, subjected to misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, faulty repair or used in other than those applications recommended by QFT.
Quantity: Sold as Each
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