To be honest, the bolt and grub were still tight. But the diff just let go right at the start beep. The race before, it was perfect. I did add an extra 5% to my throttle and nip the slipper an extra 1/8th. Maybe the extra power was just enough to piss it off?
All I can think of is that the spring washers gave up or the bolt streched?
I stripped the diff last night and looked it over, everything was as it should be. I rebuilt it with the correct tension, and it's fine again.
It's an odd thing, I can't say I like the spring washer idea.
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