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Cars Q&A
How can one effectively use tachometer in a car for efficient driving?
By Jo Jack on Apr 5, 2009Answers
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it shows the over race of engine,so it helps for a smooth drive & high fuel efficiency.
Answer by Rajverma on Apr 6, 2009 -
Expert Hi,
With tacho meter you can know best speed and by maintaining constant rpm efficency can be improved.
Answer by Shiva Shankar on Apr 7, 2009
