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I actually prefer older Losmandy mounts. ?Usually if they are working well, they keep working well. ?I always look for wear on the anodizing of the worm wheels, if they are well lubed the anodizing usually looks like new. ?I've also found that the older mounts seem to guide better, being well broken in. ?The tracking and guiding is pretty smooth. ?I'll test this again with the new to me GM8 that I repaired.

Eric