Hi there,
Thank you for the donation,
I do have some doubt that it is a center diff problem, for the revs to spike like that you have to loose drive I would be thinking more a clutch problem but this still worries me as I have never see a clutch behave like this before, I do feel that it is something that one really has to experience first hand to make an informed judgment on, I am not sure how a center diff would affect his problem, I will do a bit of home work on this, but I would also get a transmission specialist to road test and get there opinion as well, let me know what they say.
Mark (mhpautos)
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Tuesday, June 1st, 2010 AT 2:55 AM