General Motors — Velocity Governor Installation
Installation
From a General Motors operator's manual — check it applies to your exact model before use.
Procedure
- Remove air cleaner and carburetor after disconnecting throttle linkage, choke cable, spark advance tubing, and fuel line.
- Remove and discard the old gasket and studs.
- Install long studs, gasket, governor, gasket, aluminum spacer (if needed), gasket, and carburetor.
- Install drilled brass nut on one carburetor stud.
- Connect fuel line, choke cable, throttle linkage, and vacuum spark-advance tubing.
- Check carburetor for smooth throttle action to wide open position and choke control linkage.
- Start the engine, check for fuel and vacuum leaks, and warm up to normal operating temperature.
- Adjust governor for required engine speed with carburetor wide open; end any speed adjustment with a clockwise turn.
- Seal governor to engine by passing seal wire (Kit 200-481) through the brass nut and Hoof Seal Body.
- Install air cleaner, road test the vehicle, and make final speed adjustments as needed.
Source: General Motors operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.