Originally Posted by SillyFezzaMk1
what he means by step off is that some people (like me) need to run a lower ratio rear diff for acceleration but require the strength of a std cossie front diff. Meaning there is a difference in diff ratios.......The gearbox can accomodate this by using a step off gear which corrects the drive ratios internally so all 4 wheels drive as they should. A consequence of having disssimilar ratios is VC failure.
If you are running std diffs get hold of a spare set (you will need them for when your 600bhp chews the front in minutes) and swap themand see if the VC fails again.
Cheers
Dan
cheers for that, i get what your saying, but if im using standard diffs front and rear at 3.6 and we have counted the teeth to be correct, r and d when overhauling the box were informed of this and they rebuilt the vc and it ran fine on the dyna pack (which will show the wheels turning together or not),
ok now im getting it, i need to check the step off gear to make sure it yet again has or hasnt caused vc failure