mike smith1
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| posted on 13/2/06 at 10:38 AM |
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Changing Diff to LSD
Hi,
As above really, just wanted some advice from others, I have a non LSD at the minute, but have bought a xr4x4 and have a LSD in that, i can access the
diff to change it fairly easily.
Just wondered if it is definatly worth taking things off i have already done.
Will i have to change my rear upright or does the caliper bolt onto the drive shaft?
Any other modifications apart from handbrake cable etc?
Cheers Mike
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JoelP
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| posted on 13/2/06 at 10:46 AM |
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depends on what type your current diff is. If its lobro/bolt on, then nothing besides the diff needs changing. If its currently a tripode/push in
diff, you will probably have drum brakes too, and the whole lot will need changing, plus a new rear upright i believe. Drum ones only have 4 bolt
holes, whereas the disc ones need another 2 for the caliper.
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mike smith1
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| posted on 13/2/06 at 11:04 AM |
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I have a non LSD with drums and push in shafts, I understand that there is a fair bit that needs to be changed, i want to know if it is a definate
benefit of having a LSD i have spoken to a few people and there comments have been mixed.
Cheers Mike
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mookaloid
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| posted on 13/2/06 at 11:07 AM |
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Have a read of this thread
http://www.locostbuilders.co.uk/viewthread.php?tid=38990
Cheers
Mark
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JoelP
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| posted on 13/2/06 at 11:24 AM |
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comments are definately mixed. Try both, then you can tell us! 
Myself, im going to wait for Alan to get his quaife diff fitted and see what he thinks of it!
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mookaloid
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| posted on 13/2/06 at 11:32 AM |
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last time I asked MK about this they were favouring open diffs for BEC's
I think that whether you should fit one or not depends on what you want to do with the car - if you are racing it you will need traction out of
corners so a LSD is desirable. On roads I believe an open diff is more manageable as if you are over cooking it a bit on the exit of a corner you will
just get a bit of wheel spin which might make swapping ends a bit less likely.
No doubt there will be lots of opinions on this and it has probably discussed before too - try a search.
Cheers
Mark
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JoelP
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| posted on 13/2/06 at 11:52 AM |
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you've summed it up very well there mark 
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mookaloid
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| posted on 13/2/06 at 12:13 PM |
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quote:
Originally posted by JoelP
you've summed it up very well there mark
Thank you kind sir
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Jon Ison
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| posted on 13/2/06 at 01:13 PM |
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A lsd will have a tendancy too throw you off out of a corner rather than into it, they can catch you out, be warned.
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mike smith1
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| posted on 13/2/06 at 03:40 PM |
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Thanks for the replies, will bear all comments in mind.
Chris (Mason) Why would you go standard diff mate? I thought the LSD was better for the BEC, in general driving and Track Days?
Im all confused  lol
Mike
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gttman
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| posted on 13/2/06 at 06:02 PM |
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quote:
Originally posted by chris mason
i'd stick with the std diff,
if i was to build another sierra based rear kit id go for the std diff without a doubt.
Chris
You say this after I've bought your LSD diff.
As the wife is driving this car as well, I'm fitting the open diff first and will change to the LSD later if I think she can cope as I much
prefer an LSD.
I've got drum rear hubs and I'll modify a drivers side drive shaft and remove the output flanges to make the diff a straight swop.
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mike smith1
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| posted on 16/2/06 at 11:16 AM |
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Thanks for the replies guys,
Will have a think, still gonna strip the 2nd donor! so we have got the bits any way! Mite come in handy for the second build!
Mike
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