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| 850 speedo with 1275 and 4 synchro box. https://www.ausmini.com/forums/viewtopic.php?f=2&t=98970 |
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| Author: | clip [ Sat Aug 17, 2019 6:25 pm ] |
| Post subject: | 850 speedo with 1275 and 4 synchro box. |
Folks, did a search trying to find out if I can keep my original silver 850 speedo when I do the 1275 engine swap. But didn't come up with anything exactly. So just hoping that I can keep the 850 silver speedo and just swap over the speedo gear in the diff/gearbox? Or are they completely different? |
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| Author: | TartanRed [ Sat Aug 17, 2019 11:17 pm ] |
| Post subject: | Re: 850 speedo with 1275 and 4 synchro box. |
Clip there is a calculator on the Guessworks site (UK gearbox specialist) that will let you figure out exactly what speedo drive gears you need - and he will be able to sell them to you too. Haven't had any dealings with them personally but they are highly regarded. Cheers |
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| Author: | Bill B [ Sun Aug 18, 2019 4:04 pm ] |
| Post subject: | Re: 850 speedo with 1275 and 4 synchro box. |
There is discussion about similar issues here: viewtopic.php?f=2&t=74322 It includes a list of Smiths speedos used in minis and their Turns Per Mile. Search Ausmini for "Speedo drive". The Guessworks site has this too, as previously mentioned. So long as you reach "Guessworks" gearboxes and not Gessworks fashion accessories! |
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| Author: | clip [ Sun Aug 18, 2019 4:58 pm ] |
| Post subject: | Re: 850 speedo with 1275 and 4 synchro box. |
Thanks guys, I will check that out - much appreciated. |
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| Author: | minijcar [ Sun Aug 18, 2019 6:38 pm ] |
| Post subject: | Re: 850 speedo with 1275 and 4 synchro box. |
The 850 speedo is likely to be set up for a 3.7 diff primarily. There is a small variance for the tall tyres on an original car |
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