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20th Sep 2020 Login  
How do you determine the most efficient speed to drive your car at on a motorway.
by Stuart at 2008-02-24 10:03:53 (Forum::Public::Transport)
I always used to believe it was 56mph. But how can this apply to all cars with different drive shaft and gearing ratios?
My Rover with a 1.8t engine is doing 2200 rpm at 55mph in 5th gear. Rising to about 3000 rpm at 75mph, and I imagine 3750 rpm at 90mph!

How do I work it out?

--
Stuart

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How do you determine the most ... Stuart - 24/02
    Re: How do you determine the m... Colin - 27/02
       Re: How do you determine the m... muymalestado - 27/02
          Re: How do you determine the m... Stuart - 27/02
             Re: How do you determine the m... muymalestado - 27/02
             Re: How do you determine the m... Colin - 28/02
                Re: How do you determine the m... Simon Ridout - 1/03
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