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Vacuum Gauges

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Smiths Classic Electrical Vacuum Gauge
A$162.73 Ex VAT A$162.73 INC VAT
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Vacuum gauges in motorsport vehicles are essential for monitoring the engine's manifold vacuum, which provides critical information about engine load, efficiency, and health. These gauges measure the pressure difference between the intake manifold and atmospheric pressure, offering real-time data on engine performance. Accurate vacuum readings are crucial for tuning carburettors, diagnosing intake leaks, and optimising fuel mixture, ensuring the engine operates efficiently under varying conditions.

Technically, vacuum gauges must be highly sensitive and responsive, typically featuring a needle or digital display to show vacuum levels in inches of mercury (inHg). The sensors and internals are constructed from durable materials like brass and high-impact plastics to withstand the vibrations and harsh conditions of motorsport environments. Secure connections and high-quality tubing are essential to maintain accurate measurements and prevent leaks. Advanced models may include features such as peak hold and backlighting for enhanced readability. These technical attributes ensure that vacuum gauges provide precise and reliable data, helping drivers and technicians make informed decisions to optimise engine performance.