Seller notes

This is an excellent, eighteen-page 1972 Chevrolet all-model 307, 350, 400, 402 and 454 V8's extensive and complete Tune-Up Specifications and engine codes from Sun Electric (the tune-up expert’s!) including the following procedures for both Manual and Automatic transmission vehicles: Prep for test, Vacuum control circuit test, Idle mixture, Idle speed, Timing/carburetor adjustment chart, Firing order w/schematic, Battery, Charging system, Idle, Dwell, Ignition Timing, Ignition advance, Spark ...

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