New for 2010, the Professional Series is Circle-Track Exclusive. Built tough to withstand the rigours of round-track racing, these carburetors will take whatever is thrown at them and ask for more. Engine builders will appreciate the tuneability while drivers enjoy the smooth throttle response. With several sizes and variations there is sure to be a carburetor listed that will help make the checkered flag a reality.

High-Flow Aluminium Main Body

The Precision vacuum-drawn aluminium die casting helps to minimise any chance for porosity to occur. Also, critical casting dimensions can be held at much closer tolerances. Larger CFM sizes are die cast to exacting specifications to provide "Real World" venturi/throttle bore combinations that provide both maximum airflow and throttle response.
Screw-in air bleeds enable fine tuning of both the low- and high-speed systems. Scalloped, polished symmetrical throttle bore openings coupled with recessed air bleed cavities provide minimal restriction to airflow, upgraded "Racing" booster venturi provide expanded opening range.

Billet Metering Block

CNC machined to provide more precise fuel metering and a more uniform fuel performance curve. These P-Series carburetor metering blocks feature 5-stage changeable emulsion, idle feed and power valve channel restrictions. This provides the ultimate, tuneable fuel curve. Alcohol carburetors use 4-stage emulsion metering blocks.

Super Duty Throttle Bodies

Designed for competition, these die-cast throttle bodies are CNC machined to exacting specifications and will comply with all the sanctioning association rules. Strengthening ribs reinforce the typical weak areas; thicker cross-sections ensure excellent sealing to the main body. Reinforced positive throttle stops eliminate throttle shaft "over-centring" and reduces load on the throttle shaft at wide-open-throttle. Mechanical secondary carburetors feature a "Quick Link" system that alters the secondary opening rate by simply changing the secondary link. 40%, 60% and 1:1 rates are available. All 1 3/4" throttle bore carburetors (850CFM and larger) will have dual flange capacity.

Die Cast Aluminium Fuel Bowls

With a half-pound less weight than zinc, the P-series carburetor fuel bowl is made from a special marine-grade aluminium alloy for superior corrosion resistance. An increased length enables them to carry additional fuel capacity for high-horsepower race engines. Internal baffles prevent an unstable float level due to fuel slosh. FUEL CHUTE design significantly reduces aeration and helps direct fuel to the bottom of the bowl, towards the main jet pickup area. QFT Professional series bowls have multiple patents, reference utility patent #6554258. All QFT Professional series carburetors come equipped with A/N fittings, #6 A/N for Gas, #8 A/N for Alcohol.

Vacuum Secondary

Quick Fuel Technology has expanded their carburetor line to rule the streets. Born from a racing bloodline, the Hot Rod Series is sure to please the pickiest of enthusiasts. Featuring die-cast aluminium components, the new addition to the QFT family of carburetors are lightweight, economical and great looking.
The Hot Rod Series will be a perfect fit no matter the application with features like screw-in air bleeds and 4-corner idle. Offered in several sizes, each carburetor is packed full of features to make your rod run the best. All models feature electric choke, dual metering blocks for added performance, and built-in sight glasses for quick & safe float adjustment. Tumble-polished for a long lasting shine, these aluminium beauties will be the pride of your engine compartment.

Universal Features of Vacuum Secondary Carburetors:

• Changeable Air Bleeds & High Speed For Ultimate Tuneability
• QFT QuickSet Adjustable Secondary Vacuum Housing For Utmost Tuning
• Aluminium Fuel Bowls w/ Sight Glass Window
• 4 Corner Idle System
• Down-Leg Boosters On All Models Except HR-580-VS

Mechanical Secondary

Born from a noted racing pedigree, these die-cast dual pump mechanical secondary carburetors include all the features you've come to expect from QFT. Screw-in Air bleeds, dual metering blocks, 4-corner idle, and built-in sight glasses are just a few of the reasons your rod will run its best. Tumble-polished for long lasting good looks, our mechanical models will give your ride the raw performance it deserves.

Universal Features of Mechanical Secondary Carburetors:

• Changeable Air Bleeds & High Speed For Ultimate Tuneability
• Aluminium Fuel Bowls w/ Sight Glass Window
• Tuneable Secondary Opening Rate
• 4 Corner Idle System
• Down-Leg Boosters On All Models Except HR-650

The Ultimate Street Performance Carburetor:

All-new QFT die cast aluminium main body featuring recessed air bleed cavities, polished main body, and improved airflow. Venturi are die cast to exacting tolerances to provide "real-world" venturi/throttle bore combination, for throttle response and maximum wide open airflow. Screw-in air bleeds enable fine tuning of both the idle and high-speed systems. CQ series carburetors weigh 4.5lbs, less than the leading competition carburetor.

Universal Features of Mechanical Secondary Carburetors

• Changeable Air Bleeds & High Speed for Ultimate Tuneability
• Aluminium Fuel Bowls with Sight Glass Window
• Tuneable Secondary Opening Rate
• 4 Corner Idle System
• Down Leg Boosters
• Rear Jet Extensions & Notched Float

Universal Features of Vacuum Secondary Carburetors

• Changeable Air Bleeds & High Speed for Ultimate Tuneability
• QFT® QuickSet Adjustable Secondary Vacuum Housing for Easy Tuning
• Aluminium Fuel Bowls with Sight Glass Window
• 4 Corner Idle System
• Down Leg Boosters
• Rear Jet Extensions & Notched Float