Oh. What is the stuff to mark the ring gear with to check and adjust the alignment called.
What Bill said.
Although that reminds me of the time when I was back in high school and my Dad's plumbing truck (a '51 GMC) needed rear end work, and Greasy Bob, the local mechanic used the pipe dope that was in the truck to check the gear pattern. So if you happen to have some of that, it would work too.
