Engine Revs @ 70 mph - MINI Cooper Forum

Rainbow-Walker · #1 (**permalink**) Jul 31st, 2003, 08:35 PM

Can anyone tell me what engine revs the Mini Cooper manual is showing on a relatively flat surface at a constant 70mph ?

I just want to compare to my CVT Auto Cooper (which is about 2900 revs at 70mph.

Thanks.

ALD0 · #2 (**permalink**) Jul 31st, 2003, 08:58 PM

Mine revs just over 3 at around 70.

GooF · #3 (**permalink**) Jul 31st, 2003, 09:12 PM

mine reads about 3200 revs in 5th, 4000 in 4th and 5000 in 3rd. Couldn't make it in 2nd

MarkL · #4 (**permalink**) Jul 31st, 2003, 09:13 PM

I'd say it's about 3300 RPM at 70 MPH in a manual Cooper.
In comparison a manual One does about 3000 RPM at the same speed .

Rainbow-Walker · #5 (**permalink**) Jul 31st, 2003, 09:50 PM

Thanks for the replies

Interestin stuff.....

Ken NYC · #6 (**permalink**) Jul 31st, 2003, 10:00 PM

Quote:

Originally posted by GooF
mine reads about 3200 revs in 5th, 4000 in 4th and 5000 in 3rd. Couldn't make it in 2nd

2nd would be around 7000 rpm

PMM · #7 (**permalink**) Aug 1st, 2003, 07:41 AM

Theoretically:

5th - 3290
4th - 4064
3rd - 5148
2nd - 7548
1st - 13237

Above are calculated with 15" wheels.

Cooper with CVT would be

5th - 3382
4th - 4178
3rd - 5292
2nd - 7758
1st - 13607

I used the following website to calculate: http://www.xse.com/leres/bin/gearrat...mference=75.26

and http://www.web-cars.com/math/tiresize.html to calculate the tyre circumferance.

Gear ratios are in the MINI brochure.

If you are just reading off the speedo to compare to the revs, it overstates the speed significantly at above 60mph. Best way to get accurate speed is with a GPS.

low_n_loud1 · #8 (**permalink**) Aug 5th, 2003, 10:53 AM

Quote:

Originally posted by Ken NYC
2nd would be around 7000 rpm

<ahem> it is....

......or very close to it...

<cof cof>....

Rainbow-Walker · #9 (**permalink**) Aug 5th, 2003, 05:51 PM

PMM, thanks for that. The CVT has 6 'virtual' gears, but I presume thats not the whole story as the revs can vary depending on whether your in Drive, Sport Drive or Manual mode.

Ill have a look at the manual and see if I can make sense of it.

Ken NYC · #10 (**permalink**) Aug 6th, 2003, 04:33 AM

Quote:

Originally posted by low_n_loud1
<ahem> it is....

......or very close to it...
<cof cof>....

Since I got the JCW kit a few weeks ago, 2nd has turned into a killer gear.

Good for anywhere between 20 and 70. The JCW kit just smoothed out the whole range and made it so much more usable.

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