WOW! Back on topic... will the wonders never cease on this forum?
The parts to do so yourself are available from Reosmods if you feel up to the challenge. I have all the parts to replace the entire 510 assembly and center posts, but have never had the need to use them yet. Somewhere in my Reo files I have the specs.
But the adjustable 510 system has it's faults as well. Lots of atty's sit too high even with the 510 grub screwed all the way in tight. Why I have a large supply of mod shields to stack under those atty's to fill the gap. Also have some adj 510's that will not stay adjusted that I have to fiddle with occasionally. In some ways the old 'use an o-ring' 510 system to position the atty worked better. Yes, I am OCD about the AFC's being at a right angle to the tilt on all my mods... or away from it if a single AFC is used. Matters not what brand they are. Kind of funny in a way... I wasn't as OCD with the old system Reos if the atty was up off the deck just a little because of the o-ring despite my having a lot of different sized o-rings to try. I use o-rings on those 510's that are grooved for them even when they do have the newer adj 510's (IE, the 2015 Woodvil's), but I don't use them on the P67's (use shields instead). Been so long since I've used any of my Grands, 2.1's 1.0's, etc that I can't remember is those with adj 510's have o-ring grooved 510's or not (an out of sight, out of mind thing).
This is GREAT info Spydro!! Thank you!! I will just use the O rings for now and try not to think about that little gap.