Limited Slip Diffs are quite a common fixture for Rovers, but there's a much better option!
Torque Biasing Diffs behave like normal open diffs around town, with no difference to driveability. They also do not drag wheels and wear tyres out. If a wheel slips, they automatically shift torque away from the slipping wheel to the one that is not slipping, without you even knowing it has happened. It’s all in the construction of the diff; there is no electronic wizardry or anything extra to gum up full of mud and fail on you. They still leave about 25% of the torque going to the slipping wheel, so that when it grabs it is ready to grip and move straight away. As soon as the slipping wheel grips, it has 100% of the torque back to pull you out of the situation. These are great for what most people experience in their four-wheel driving adventures – a bit of mud, sand, snow and some loose surfaces on hills etc.
Read more here:
Torque Biasing Differentials
Agree?
Master
It would be nice if they explained how they work as there is a million different designs of "torque biasing" diffs out there.
As for their description of LSDs "The technology uses a slightly different philosophy to limited slip diffs, which allow a wheel to slip so far before stopping"
which is false. An LSD does not allow a wheel to slip then stop, it stops a wheel from slipping, then allows it to spin.
I would be wary of those who spin you a yarn
Wizard
Supporter
ChatterBox
I have never found Limited Slip Diffs common for Rovers!
I have an Ashcroft ATB and consider it a good thing but a locker its not.
Originally Posted by Roverworks Canberra
Wizard
With a Torque Baising diff it all "beer n skittle's" until you lift a wheel.....and then it's all over red rover !
OldBushie
Well if thats the case how does the traction control work?,I could cross axle the L322 and the TDCi and both kept truckin',the ATB should make the TC better shouldn't it?. PatWith a Torque Baising diff it all "beer n skittle's" until you lift a wheel.....and then it's all over red rover !
Wizard
Yep and that's why folks say ATBs and TC is a match made in heaven.
Not that I have ether
The other way is left foot braking, but that would require driver input and skill, and that's just not the modern way
Tony
Wizard
Braking !
mmmmm.....That will help with traction & momentum.
The point is that anything other than lockers is a compromise.
If TC is such a terrific thing....then why is there even a market for lockers/TB's/LS centres.........
Wizard
A ATB needs some resistance to work. If there is no traction on one wheel then they make no difference. That's why they work very well with ETC, or if you don't have ECT then some braking can provide that resistance.
Every thing is a compromise, full manual lockers included, it just depends on the compromise your prepared to put up with.
For me it's open diffs, take away the money issue and it would be a pair of full manual lockers.
That doesn't mean that's best for everyone.
ECT is free once you have ABS, the others all have there up and down sides.
Tony
ChatterBox
What a total load of rubbish. I proved that wrong just the other weekend.
With Locked diffs, it's hard to steer. With traction control you maintain full steering which is handy on a technical climb with wheels lifting. A Prado with a rear locked had 5, 6 maybe more goes and failed to get up the easy hill but I made it up without too much trouble in the Disco. Then a 4 inch lifted, front and rear locked Patrol had a go at the steeper and harder hill. The first time he spun all 4, then he near lifted the front and the front started to slide sideways at the same time. We thought he was goes to spin around and roll it down the hill. Third time he snapped the tail shaft. Again the Disco went up with little drama.
The only time I have had trouble is in very deep mud when I have already started to spin before the traction control kicks in and then it's too late. ATB diffs would fix this.
The only down side to Traction control is it's reactive. It doesn't work until you have lost traction and from my experience when a wheel starts to lift then all the weight has to be on the opposite wheel and that means it's not usually struggling for traction. It's when all wheels are still on the ground and the surface is slippery that traction control fails but then that's exactly the situation that a ATB needs to work.
Happy Days.
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