Innovators in
Fuel Systems

Tech Blog

Adjustable Secondary Linkage

P & Q Series Carburetors Secondary Linkage Adjustment Super Progressive Black Link 1st Hole Bottom Slot 60% of primary throttle is used before secondaries open. Medium Progressive Gold Link 1st Hole Top Slot 40% of primary throttle is used before secondaries open. This is the standard linkage pos… Read more…

Adjustable Vacuum Secondaries

There are a couple of drawbacks to factory-style vacuum-controlled secondaries: no adjustability and changing springs can lead to seal failures. Changing the secondary diaphragm can result in a torn or leaking seal. The Quick Set Adjustable Secondary Housing features a specialized cover with an easy-access adjustment screw. T… Read more…

Screw In Air Bleeds

All Quick Fuel Technology carburetors come with changeable air bleeds. This allows you to calibrate your air fuel ratio for more performance and or fuel economy. Most carburetors on the market have fixed sizes that would require drilling or replacing press in bleeds - all of our carburetors can be tuned by simply exchanging one siz… Read more…

Aluminum Fuel Bowls

In racing, every pound counts, and the aluminum fuel bowls from Quick Fuel Technology save a 1/2 pound over traditional zinc units. Marine-grade aluminum construction resists corrosion, the bright tumbled finish and clear chromate coating add flash and protection to your fuel system. Our aluminum fuel bowls feature several high pe… Read more…

Billet Aluminum Metering Blocks

CNC machined metering blocks provide more precise fuel metering and control, improved throttle response and a uniform fuel performance curve. Machined from premium billet aluminum to the strictest tolerances and then anodized for protection and good looks, these blocks are the standard by which performance carburetors are measured.… Read more…

Aluminum High-Flow Main Body

The light-weight aluminum main body is the basis for ALL Quick Fuel Technology carburetors. Precision vacuum-drawn die castings help minimize any chance for porosity in the casting. Critical casting dimensions can be maintained to much closer tolerances. The larger CFM sizes are precision machined in a second hard tool operation to… Read more…

Aluminum Billet Machined Throttle Bodies

QFT Throttle bodies are CNC machined from aircraft quality 6061-T6 Billet Aluminum to the most exacting tolerances and therefore provide superior strength. Slabbed Teflon® coated throttle shafts are assembled with Teflon® ribbon bearings. Stainless steel throttle plates are attached using low profile button head screws which res… Read more…

Billet Adjustable Vacuum Secondary

With more than 50 years experience in the high performance and racing fuel system industry. has announced their improved adjustable secondary housing for carburetors that employ a vacuum secondary system. There are a couple of drawbacks to factory-style vacuum-controlled secondaries: no adjustability and changing springs can lead t… Read more…

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