How can one effectively use tachometer in a c - 4147

How can one effectively use tachometer in a car for efficient driving?

By Jo Jack 04 April 2009

Answers:

it shows the over race of engine,so it helps for a smooth drive & high fuel efficiency.

Answer by Rajverma 04 April 2009

Expert`s comment:

Hi,
With tacho meter you can know best speed and by maintaining constant rpm efficency can be improved.

Answer by Shiva Shankar 04 April 2009

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