XJ XJ6 / XJ8 / XJR ( X350 & X358 ) 2003 - 2009

LSD for XJR

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Old Jun 26, 2014 | 05:19 AM
  #41  
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If you can do it ASAP please mate, I'll make a call to the workshop tomorrow & see how far they are into pulling the diff out of mine.
 
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Old Jun 26, 2014 | 01:08 PM
  #42  
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Originally Posted by klfong
Does the Quaife affect the traction control system once installed (apart from it not kicking in so often)? Does the traction control need to be switched off in order to get the best benefit from the Quaife unit? Thanks
The traction control system does not seem to mind the diff at all. The diff starts to work before the TCM/stability control interferes, just like you'd want it to, so you experience the extra grip immeadiately. It may interfere on the extreme end of what the diff can do-I don't have the opprotunities to test scientifically :-)

I expect increased tire wear will be an issue for me, but that's operator influenced...
 
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Old Jun 26, 2014 | 07:50 PM
  #43  
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Originally Posted by Cambo351
If you can do it ASAP please mate, I'll make a call to the workshop tomorrow & see how far they are into pulling the diff out of mine.
My car is out of action at the moment stupid header tank hose snapped of been to busy to get it sorted
Ill drive past see what he says this morning

I have your phone number if he has any ideas ill get him to call you direct
 

Last edited by doc; Jun 26, 2014 at 07:52 PM.
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Old Jun 26, 2014 | 08:09 PM
  #44  
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The diff will be out of my car this weekend, and the aim is to get it back together by the end of next week, so we don't have much time...
 
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Old Jun 27, 2014 | 08:01 AM
  #45  
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Not looking good spoke to him he will speak to a mate of his in Sweden that does gearboxes not holding my breath
Just get your diff fixed
It's very frustrating
 
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Old May 15, 2024 | 06:01 AM
  #46  
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Originally Posted by androulakis
What happens when you actually want to drive? AND use the power the car came with? Frankly I find the traction control system on an R so intrusive I refuse to drive with it on.

The car is SEVERELY traction limited, to the point of making the power unuseable at low around town speeds.. And the traction control might as well be tantamount to some bozo randomly pulling the emergency brake at the least inopportune times, with NO warning. Aka, when I'm trying to pull out hard into traffic, or make a turn at an intersection. I'd much rather have the car break a tire loose (and even blow sideways a bit.. gasp). Rather than sit there about to get creamed because the car decided to take my foot off the gas for me.

The point of the LSD is to allow me to put more of that power to the ground at any given point in time. WITHOUT it spinning. These cars break a tire loose (with the traction control off) if you look at them funny. Especially in the cold or rain.

All of these traction systems are good for are two things.

1) Allowing inept drivers to semi-safely control 400hp cars. Aka the guy that would bug out when the rear got a bit loose, or his wife.

2) Lowering insurance rates because they can give joe shmoe a 400hp car and he has a reasonable chance of not wrecking it.

You know the "muscle" cars of yesteryear had less power than most modern powerful cars.... But everyone looked at them as death traps, because the gas pedal was connected to the throtle body (or carburetor) by a mechanical cable. No algortyhm in the middle to decide if your chosen level of trottle was prudent or not.

Today's heavy cars advertise 400, 500 hp, but they decide how much of it to let you use at any given point in time... Where's the fun in that?

Take care,

George
Just reading this 12 years later and what you said is more important now than ever!
 
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