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What does a tach gauge do?

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Anonymous

18y ago
Updated: 8/16/2019

It indicates the engine RPM's (Revolutions per minute). Helps when driving manual transmission vehicle to shift at optimum rpms - prohibits engine "lugging" in higher gears. Also greatly assists with automatic transmissions when pulling a heavy load and climbing a steep hill ... It's a gauge that lots of people use more than a speedometer.

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Wiki User

18y ago

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