[QUOTE]Originally posted by Andy Blois:
Backing up to the bit about LR transmissions. Coil sprung transmissions (90/110/RR/Disco) are just as liable to diffs breaking and shafts snapping. They look more reliable then Series vehicles because they are permanent 4x4.
They are more reliable because they are permanent 4x4.
Not only that, but they have much higher spec side shafts than the older series vehicles. And the diff ratios are 3.54 instead of 4.7, so they have significantly larger pinions. Finally, coils springs are generally a little kinder to transmissions than leaf springs, since most of the danger to transmissions is posed by shock loading.
Quaife diffs centres were similar money to 4 pin Rover diffs and had added benefit of increased traction.
I have no personal experience of the Quaife diffs, but they have a good reputation. Likewise, an ARB centre in a Rover-type diff makes it much stronger. However, the ARB potentially doubles the strain on some axle components, so it's a mixed blessing - you get the greater strength, but if you decide to use engage the lock, you might need the extra strength.
The Quaife won't put any additonal strain on any axle components, but like any friction-based TAD, it will sap engine power. At least with traction-control you can switch the damn thing off! :-)
Michael...
[This message has been edited by SandyM (edited 13 January 2003).]
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