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Boost gauge

Type of pressure gauge

Boost gauge

Type of pressure gauge

Boost gauge on a 2000's Ford Focus RS (left)
30 psi Boost gauge
Top: Turbo/APC boost gauge in a [[Saab 900

A boost gauge{{cite book|last=Bell|first=Corky|title=Maximum Boost : designing, testing, and installing turbocharger systems

Turbochargers and superchargers are both engine-driven air compressors (exhaust-driven or mechanically driven, respectively) and provide varying levels of boost according to engine rpm, load etc.{{cite web|last=Markus |first=Frank |url=https://www.motortrend.com/how-to/turbocharger-vs-supercharger-whats-difference-types-explained/ |title=Turbocharger vs. Supercharger: What's the Difference?

A boost gauge is used to ensure excessive pressure is not being generated when boost pressure is being modified to levels higher than OEM standard on a production turbocharged car. Simple methods can be employed to increase factory boost levels, such as bleeding air off the wastegate diaphragm to 'fool' it into staying closed longer, or installing a boost controller.{{cite web |url=https://www.turbosmart.com/news/how-does-a-boost-controller-work/ |title=How Does a Boost Controller Work?

A boost gauge will measure pressure in psi, bar or kPa; many also measure manifold vacuum pressure in inches of mercury (in. Hg) or mm of mercury (mm Hg).

Notes

References

  1. Goodsell, Don. (1995). "Dictionary of Automotive Engineering". Society of Automotive Engineers.
Info: Wikipedia Source

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