ordered the lockrite today, ordering 5.83s next week. lookid into haveing someone else put the gears in $500 a set to instal!! so i guess i will have to do it myself.... :-/ i did a search in the posts and article archive... nothing. i want to do this right, any links, tips, help? anything! and can i use a feeler gauge to set backlash or do i have to buy a mic.? thanks.