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| Diff question.. https://www.ausmini.com/forums/viewtopic.php?f=2&t=88728 |
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| Author: | VanMorrison [ Thu Feb 26, 2015 8:15 pm ] |
| Post subject: | Diff question.. |
Hey guys I have a rod change box with pot joints I'm looking to use for my van, i was told it may or may not have a lsd, is there any way to tell without having to strip it down? Looking from the gearbox side i can see it has a standard looking crown wheel but thats about all.. Any help appreciated as i don't want to pull it apart unless i have too. Darcy |
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| Author: | man+van [ Thu Feb 26, 2015 8:47 pm ] |
| Post subject: | Re: Diff question.. |
Hi Darcy As far as im aware if it is a open diff when you turn a pot joint with it in gear the other pot joint will turn in the other direction with little resistance. If it is a LSD there will be a bit of resistance when turning the pot joint. It may depend on what type of LSD is in it as to how much resistance there is Cheers Richard |
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| Author: | RNY997 [ Thu Feb 26, 2015 8:50 pm ] |
| Post subject: | Re: Diff question.. |
If it has a standard open diff you can turn either output shaft freely and the opposite side will turn the other way. If it turns the whole diff and crown wheel its either an LSD or broken? LSDs are not suitable for standard road use....they are hard work at the steering wheel. |
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| Author: | VanMorrison [ Thu Feb 26, 2015 9:18 pm ] |
| Post subject: | Re: Diff question.. |
ok... so i can freely do just about anything with the pot joints.. Hold one still turn the other in any direction ( works for both with a bit of resistance), turn both in opposite directions ( either way ), turn both in the same direction ( either way ). The shifter isn't attached so I'm not sure if or how to put it into gear... 
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| Author: | man+van [ Thu Feb 26, 2015 9:32 pm ] |
| Post subject: | Re: Diff question.. |
Ok, sorry to say but it sounds like an open centre. You shouldnt be able to turn the pot joints opposite ways by hand easily. |
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| Author: | Kennomini [ Thu Feb 26, 2015 9:35 pm ] |
| Post subject: | Re: Diff question.. |
Sounds like an open center, it doesn't need to be in gear to check the diff. |
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| Author: | VanMorrison [ Thu Feb 26, 2015 9:43 pm ] |
| Post subject: | Re: Diff question.. |
Cheers so is it worth fitting an LSD in an fast road car? its not a daily driver.. I assume its not going to be like driving my type r civic... or save the money for something else.. |
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| Author: | drmini in aust [ Thu Feb 26, 2015 9:48 pm ] |
| Post subject: | Re: Diff question.. |
If you want an LSD in a road car I'd fit a Quaife. Anything else is hard work to steer and/or won't last long. |
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| Author: | VanMorrison [ Thu Feb 26, 2015 9:52 pm ] |
| Post subject: | Re: Diff question.. |
i was looking at a jack knight cowl type but the more i read the more i was put off... will look into the quaife.. cheers |
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| Author: | Morbo28 [ Fri Feb 27, 2015 11:34 am ] |
| Post subject: | Re: Diff question.. |
I've bought the Quaife ATB upon reviews and recommendation as its meant to be unbreakable (lifetime warranty) and meant to have less torque steer than LSDs. Sorry I won't be able to give you direct feedback for about 3 months as I'm still finishing off my build. |
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| Author: | simon k [ Fri Feb 27, 2015 6:42 pm ] |
| Post subject: | Re: Diff question.. |
quaife ATB is great in a road car |
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| Author: | Phil 850 [ Fri Feb 27, 2015 7:13 pm ] |
| Post subject: | Re: Diff question.. |
But is a LSD needed in a road car ? |
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| Author: | VanMorrison [ Fri Feb 27, 2015 7:50 pm ] |
| Post subject: | Re: Diff question.. |
Not sure.. this isn't a daily driver so whist its a road car, its not really a road car... |
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| Author: | bluewhitecoopers1968 [ Fri Feb 27, 2015 9:30 pm ] |
| Post subject: | Re: Diff question.. |
I have a quaife in mine, drives great on the road. Not cheap though, looking at 1000 bucks if you do it yourself. |
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| Author: | Kennomini [ Sat Feb 28, 2015 10:41 am ] |
| Post subject: | Re: Diff question.. |
Phil 850 wrote: But is a LSD needed in a road car ? If the engine makes enough power and, If the car is driven in such a way that causes wheel spin. Hard acceleration during cornering or from a standing start with a std diff will just make tyre smoke and understeer, not what you want in the bendy and windy sections of a mountain range. |
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