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SELECTIONS: Products : Circle Track/Road Race : Rochester Quadrajet


Part Number:
335003

Product Name:
Rochester 4BBL Quadrajet 750CFM

Description:
SMI - STAGE THREE - (750 CFM) ROCHESTER QUADRAJET

Our Price: $575.00

Features

  • Intended for racing and maximum performance applications such as circle track and sport mod racing applications that require a quadrajet and drag racing classes (such as NHRA stock and super stock) that require the OEM carburetor to meet class rules.
  • All fuel circuits, air bleeds, and calibration components engineered to match specifications of YOUR engine to provide maximum possible HP&TQ as well as response and consistency.
  • Drill idle air bypass holes in primary throttle blades to maintain proper throttle blade angle at idle, ensuring proper function of idle and off-idle circuits.
  • All idle and off-idle functions modified for long duration, low vacuum camshafts.
  • Primary and secondary main wells resized and balanced for increased fuel flow capacity at high RPM.
  • Secondary fuel pull-over circuit modified to eliminate any potential sags, hesitations during initial secondary opening. This circuit acts as the "accelerator pump" for the secondaries and is critical to off-the-corner or starting line performance.
  • Choke pull-off modified for faster secondary air valve response.
  • .150" Needle and seat assembly installed for maximum fuel delivery.
  • 750 to 900 CFM available.
  • All choke hardware removed and openings plugged
  • All vacuum ports plugged
  • Secondary metering rods and hanger selected and high speed air bleeds resized for maxium full throttle horsepower and torque.
  • High capacity accelerator pump featuring materials that are resistant to alcohol and other additive commonly found in today's fuel
  • Select highest quality cores for best performance and reliability
  • Select only the highest flowing castings
  • Strip to bare metal, inspect for defects, then apply dichromate coating for brilliant gold finish.
  • Strip and cadmium plate all hardware, including throttle shafts, linkage, levers, spring and screws.
  • Surface baseplate for flatness and glassbead for bright silver finish.
  • Install bushings in baseplate to eliminate any potential vacuum leaks at primary throttle shaft.


Quantity: