Disk and drum hubs all work on any 25,27 and 30. Interchangeable.. the difference is the races and the machined back on the disk 30. The 25 uses...
Use a cheap caliper set to the amount of material you need to remove and scribe a line around the existing hole. Use a die grinder, dremal or...
Hahahah. I wear nicks or whites everyday and when I’m not it’s Birkenstocks too!
Get a company to reflash it. Do a search, it’s how I got my 4.3 reflashed https://lt1swap.com/programming.htm
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