If your Clubbie is doing 4000 at 100KMH it's got the same diff (3.444) as a 1275 Cooper S already. As many Clubbies do.
4th gear in yours is exactly the same gearing as an S, but your 1-2-3 are slightly (5.5%) shorter.
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| Author: | hothead115 [ Tue Mar 21, 2006 7:23 pm ] |
| Post subject: | cooper s gear ratios |
is there anyway to change the gear ratio of my clubman to lower the revs and get more out of it as it sits on 100ks at 4000......if so what are the ratios? |
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| Author: | drmini in aust [ Tue Mar 21, 2006 8:26 pm ] |
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If your Clubbie is doing 4000 at 100KMH it's got the same diff (3.444) as a 1275 Cooper S already. As many Clubbies do. 4th gear in yours is exactly the same gearing as an S, but your 1-2-3 are slightly (5.5%) shorter.
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| Author: | Harley [ Tue Mar 21, 2006 9:49 pm ] |
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I thought the Ss had 3.7s in them and 3.44 was the normal diff for a non S. 
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| Author: | drmini in aust [ Tue Mar 21, 2006 10:11 pm ] |
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Nope. 850, 997-998 Cooper , & Mini Deluxe got the 3.765 diff. Cooper S got 3.444.
Clubby 1098 with remote box was 3.647, the rodchange boxes mostly were 3.444. |
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| Author: | simon k [ Tue Mar 21, 2006 10:35 pm ] |
| Post subject: | Re: cooper s gear ratios |
hothead115 wrote: is there anyway to change the gear ratio of my clubman to lower the revs and get more out of it as it sits on 100ks at 4000......if so what are the ratios?
hothead, you're looking for a taller diff (final drive) ratio, something like 3.1:1 out of a rover mini, 2.9:1 aftermarket, or bigger wheels - but it'll make your car accelerate slower I believe brickworx readily supply taller diffs |
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| Author: | willy [ Tue Mar 21, 2006 10:36 pm ] |
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Yeah i'm pretty sure we have a couple ready to go. |
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| Author: | Mini68 [ Wed Mar 22, 2006 7:08 am ] |
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I think at 4000 RPM doing 100km/h you would have a 3.65 diff (assuming you have 10inch wheels). With a 3.44 diff you would be doing approx 106km/h. This is according to the tech section on the Hot Bricks website anyway. |
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| Author: | Harley [ Wed Mar 22, 2006 7:45 am ] |
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What if his speedo is out by 6km/h? 
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| Author: | Mini Mad [ Wed Mar 22, 2006 8:40 am ] |
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The speedo bounces around 5km/h anyway 
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| Author: | hothead115 [ Wed Mar 22, 2006 6:59 pm ] |
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i can get 70mph out of 3rd if that helps and its got 12 by 5s on her |
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| Author: | Mini68 [ Thu Mar 23, 2006 6:45 am ] |
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12" Wheels RPM/MPH in 4th gear 2.95 : 1 1000/20.2 2000/40.41 3000/60.62 4000/80.85 5000/101 3.10 : 1 1000/19.28 2000/38.58 3000/57.87 4000/77.19 5000/96.44 3.21 : 1 1000/18.56 2000/37.14 3000/55.7 4000/74.27 5000/92.84 3.44 : 1 1000/17.32 2000/34.65 3000/51.99 4000/69.3 5000/86.62 3.65 : 1 1000/16.33 2000/32.6 3000/48.90 4000/65.5 5000/81.5 |
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| Author: | 1360 LS [ Thu Mar 30, 2006 1:04 pm ] |
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speaking of ratios what would be the ratio for a Clubman LS I more or less have a bored 1275 Cooper S engine in it but as for the gearing I don't know what was the normal or whats in it now all I know is I have Cooppper S parts in the engine |
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| Author: | Mini Mad [ Thu Mar 30, 2006 1:53 pm ] |
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3.44 i think. |
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| Author: | 1360 LS [ Thu Mar 30, 2006 2:40 pm ] |
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cheers mate ..... nmow to do the mph to km p/h conversion |
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