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To help you calibrate your carburetor, a CALIBRATION REFERENCE CHART has been designed for each model of the Edelbrock Performer Series, Thunder Series AVS, AVS2 carburetors. These charts (pages 13-38) each consist of two sections: A Calibration Table and a Rod/Jet Reference Chart.
#1812 / #1813 Calibration Reference Chart / Primary Metering Stock Calibration Numbers in white are the steps obtainable using jet and rod combinations shown on the following page. Step 1 Select the combination of Cruise Mode and Power Mode fuel-metering stages desired for your calibration. Normal calibration changes will be within the gridded ...
For added ease of tuning, a Calibration Reference Chart for your model of carburetor has been included. The spark-ignition 4-cycle engine burns a mixture of AIR and FUEL. The air is controlled by the driver’s operation of the throttle. The fuel is mixed with the incoming air by the carburetor. The Ratio of AIR to FUEL is the AIR/FUEL Ratio (A/F).
Before you attempt to establish a new calibration, please ensure you have installed your Edelbrock carburetor according to the Installation Instructions supplied with the carburetor. Be sure that the engine is in a sound state of tune. All ignition items must be in proper working order, including reasonably fresh plugs of the correct heat range.
1403-1413 Perf Series Carburetor Owner's Manual.qxd To help you calibrate your carburetor, a CALIBRATION REFERENCE CHART has been designed for each model of the Edelbrock Performer Series carburetor. These charts (pages 18—31) each consist of two sections: A Calibration Table and a Rod/Jet Reference Chart.
Check and prepare carburetor for proper vacuum fitting installation (EGR, power brakes, PCV, distributor, transmission, etc.) using supplied vacuum caps,“T”, and hose when applicable.
Syncing the carb’s idle speed (motor running);-With the motor idling at normal operating temperature, adjust the idle speed on one carb at a time, using your tach and slowly adjust idle screw outward until the lowest idle speed is achieved, then turn the screw inward to increase idle speed 20-50rpm. Repeat on second carb same. If hunting is ...