JeffJeffers
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| posted on 24/6/12 at 10:24 PM |
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LSD diff help
I have been clocking up the mileage on my recently finished MK Indy 2.0 Zetec.
I plan to use it mainly on the road but will hopefully do the odd track day and run down the drag strip.
My current diff is a 3.77 non LSD.
I have had a 2nd chance offer on a 3.62 LSD diff for £100.
My question is should I spend my money would I see any benefit?
I have been told by someone that a LSD diff will make the car very tail happy is this right?
Oh the other thing is my current diff has push in shafts and the other has bolt on so would have a bit of extra work.
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monck
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| posted on 24/6/12 at 10:43 PM |
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Im currently fitting a LSD in mine 
At £100 for a LSD id buy it anyway i paid more and thought i got a bargain!!
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ssc28
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| posted on 25/6/12 at 12:03 PM |
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I'll do a straight swap with you for your 3:77 for a 3:62 lsd if you are interested. I'll also be in lincolnshire on the 8th July if you
can wait until then.
[Edited on 25/6/12 by ssc28]
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JeffJeffers
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| posted on 25/6/12 at 12:07 PM |
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quote:
Originally posted by ssc28
I'll do a straight swap with you for your 3:77 for a 3:62 lsd if you are interested. I'll also be in lincolnshire on the 8th July if you
can wait until then.
[Edited on 25/6/12 by ssc28]
You have U2U.
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gunman
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| posted on 25/6/12 at 12:40 PM |
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Are we talking sierra LSD? I changed my diff from a standard to a sierra lsd and I haven'f found it tail happy at all (yet), although I have
yet to drive it in the wet. I think the viscous type aren't as tail happy as the plate type as they are more progressive. I used to get tail
wobble when giving the car the beans from stand still with the std diff, no longer an issue with lsd. Plus, it meant I was able to go rear discs
instead of drums.
BTW, I picked up the whole rear end of a sierra xr4x4 with brakes and all for £50 but that was about the biggest bargain I'll ever find most
likely.
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Rickabilly
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| posted on 6/7/12 at 01:51 AM |
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Hello All,
I agree with comments above any working LSD for £100 is good value,
regarding whether or not it will dramatically change handling depends very much on the individual setup of your car, unless two cars are identically
built and setup they will have a different reaction to the fitting of LSDs and for that matter LSDs of different types and with differing setups and
wear will cause different handling changes in the same car.
A really harsh LSD in a lightweight car can cause tail happy behaviour, providing you have the power available to break traction with both rear tyres,
however if you keep the power below this extreme point the car will continue to drive long after the same car with an open diff had lost all drive due
to a spinning inside wheel.
Where a "progressive" LSD will often not even be noticed at under normal circumstances, only being evident when under heavy accelleration
on bends.
For a really good result using LSDs sometimes changing suspension spring rates and anti roll bars is required, but only when "super
tuning" for ultimate handling and traction.
I'd buy it and at least save it for a rainy day!
Best Regards
Rick
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