Fine tunes carburetion and timing for peak performance and maximum fuel economy. Easy-to-read, 3-1/2” diameter face displays 0-30 inches vacuum (0-70cm) and 0-10 pounds (0-70 kPs) of pressure scales shown on both standard and metric scales. Complete with hose and adapters.
Use to check:
- Fuel pump pressure
- Mechanical condition of the engine
- Vacuum control system function
- For leaks in the intake manifold, manifold and head gaskets, piston rings, valves and vacuum lines
- Works on computer-controlled and conventional vehicles
- 3-½ " diameter face