OK I need help. I have a 85 runner with a stock rear axel ARB lockers and 529 gears. For some reason I keep breaking the pinion gear. The first time it locked up going down the road. Big bummer. This time I caught it and will be changing it out before that. I don't have that many miles on it and even less trail miles. Is anyone else having the same problem? I called yesterday and my gear supplier said he can get some new high tincel steel gears now and I guess I will try them next. Am I doing something wrong or are these just the way it is? Is there another way to go without changing out the axel? Thanks for any help.