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Booster Alignment and Installation:

• Center boosters within main venturi on close tolerance jig.
• Secure booster to reduce hazardous and power robbing vibration.

Calibration:

• Size air bleeds to specifications.  Adjustable air bleeds are installed.
• Test and equalize fuel emulsion system.
• Modify and calibrate squirter system to eliminate bogs, sags and hesitation.
• Power valve (enrichment) and main circuits (jets) are calibrated.

Flow Testing and Quality Control:

• Tested on a superflow bench for correct and even flow.
• Quality tested on a race engine with float level and idle preset for out of the box operation.

Machining and Blueprinting:

• Modify all circuits for correct size and clear all passages of casting obstructions.
• Machine metering plate, main body and baseplate surfaces for flatness.  Square as needed.
• Blueprint all bosses (threads, throttle shaft bores, booster pads).
• Increase and balance airflow by blending and contouring venturis, milling choke horn (4150) and profiling throttle shafts.

Performance Coating:

• All parts coated to a high luster.

Precision Assembly:

• Welded linkage, button-head butterfly screws.
• Premium non-stick gaskets used throughout.

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