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| Driveline Advise https://ausmini.com/forums/viewtopic.php?f=2&t=99782 |
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| Author: | MichaelPap [ Wed Mar 25, 2020 12:37 pm ] |
| Post subject: | Driveline Advise |
Hi, I've just recently started to build my mini. Its' a 76 leyland panel van. I've noticed that the driveline in the car is a CV Joint, however the mount that is on the engine I bought Is a rubber universal joint. Could anyone give me suggestions on what joint to use. Im new mini's so I don't really know what I'm doing. Thanks Michael |
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| Author: | timmy201 [ Wed Mar 25, 2020 2:00 pm ] |
| Post subject: | Re: Driveline Advise |
The inner CV joint (aka pot joint) from later cars are miles better than the old rubber coupling. They also use different driveshafts You can swap the diff outputs on the new engine to the CV type |
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| Author: | Bill B [ Wed Mar 25, 2020 4:01 pm ] |
| Post subject: | Re: Driveline Advise |
To use the inner constant velocity joints (pot joint) that are on your car already, the rubber type yoke and its output shafts have to be removed from the diff and changed to these output shafts to take the pot joints. https://minisport.com.au/mini-moke-outp ... -pot-joint Unfortunately, the diff needs to be removed and separated for the new output shafts to be installed, as "timmy201" has said. I'm not sure if the diff side covers also need to be replaced, as I've never had a mini with pot joints. The alternative might be to keep the rubber yokes on the new motor and buy 2 drive shafts and 2 rubber-type outer yokes that fit to the driveshafts. These are often for sale here a reasonable prices. You would still have to remove the driveshafts that are already on your car, as timmy said they were different. |
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| Author: | 1071 S [ Wed Mar 25, 2020 4:07 pm ] |
| Post subject: | Re: Driveline Advise |
Timmy's completely correct... However, if you're just starting out, the easiest solution might depend on whether you intend pulling the engine/gearbox apart. If you're just going to install the power unit you have, it will be probably be easier to swap the drive shafts/inner joints to match what's presently attached to the diff. Cheers, Ian PS Bill beat me to it.... 
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| Author: | timmy201 [ Wed Mar 25, 2020 4:36 pm ] |
| Post subject: | Re: Driveline Advise |
The side covers are the same for rubber or pot joints. Pot joints are cheap, smooth and strong. There’s no downsides, especially if you have them already |
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| Author: | 9YaTaH [ Wed Mar 25, 2020 6:23 pm ] |
| Post subject: | Re: Driveline Advise |
timmy201 wrote: The side covers are the same for rubber or pot joints. Pot joints are cheap, smooth and strong. There’s no downsides, especially if you have them already So long as the grooves and balls are not worn out...larger balls can be fitted, but...OK? |
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| Author: | drmini in aust [ Wed Mar 25, 2020 6:35 pm ] |
| Post subject: | Re: Driveline Advise |
9YaTaH wrote: timmy201 wrote: The side covers are the same for rubber or pot joints. Pot joints are cheap, smooth and strong. There’s no downsides, especially if you have them already So long as the grooves and balls are not worn out...larger balls can be fitted, but...OK? Be aware that new pot joints are a bigger inside diameter than the original Leyland ones. Inner spider and cage are not interchangeable between the two types. |
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| Author: | Bill B [ Wed Mar 25, 2020 6:52 pm ] |
| Post subject: | Re: Driveline Advise |
timmy201 wrote: The side covers are the same for rubber or pot joints. Pot joints are cheap, smooth and strong. There’s no downsides, especially if you have them already I suggested keeping the rubber uni set-up as an alternative to having to pull the diff apart. Like Ian said, that could be a bit daunting for someone starting out on minis even if the pot joints are ultimately a better option. |
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| Author: | TK [ Wed Mar 25, 2020 6:57 pm ] |
| Post subject: | Re: Driveline Advise |
what type of shifter do you have on the gearbox? Is it the engine/box that was in the van? |
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| Author: | MichaelPap [ Thu Mar 26, 2020 9:12 am ] |
| Post subject: | Re: Driveline Advise |
Thanks for all the help! |
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| Author: | mattsmadmini [ Wed Apr 01, 2020 7:16 am ] |
| Post subject: | Re: Driveline Advise |
drmini in aust wrote: 9YaTaH wrote: timmy201 wrote: The side covers are the same for rubber or pot joints. Pot joints are cheap, smooth and strong. There’s no downsides, especially if you have them already So long as the grooves and balls are not worn out...larger balls can be fitted, but...OK? Be aware that new pot joints are a bigger inside diameter than the original Leyland ones. Inner spider and cage are not interchangeable between the two types. Which i am currently finding out... do you have a few spares laying around Kev? might try and swap ya 
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| Author: | slide [ Wed Apr 01, 2020 9:47 am ] |
| Post subject: | Re: Driveline Advise |
I agree with Bill B, retain the couplings you already have but fit these alternative Quinton Hazel type heavy duty needle roller couplings with plastic ends, they drop straight in and are better than the original rubber type http://www.minispares.com/product/classic/QL5000.aspx |
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