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So after spending a long time polishing this up to a mirror finish I went to install it with my new top plate and attempted to remove the studs as the new top plate will take special machined socket caps.



Three of the studs came out fine and I noticed some genius replaced one of them with a regular construction bolt that must have a slightly different thread pitch. Either that or they didn't apply any copper anti-seize.



I've tried removing it with the two bolt technique, tried torching the riser and freeze spraying the stud... Even let it soak overnight in an ATF-70/Acetone-30 mix. Nada

Is there something else I should try? Or pick a new one up for $25 I found on eBay?

That looks like threaded rod that someone used instead of the correct stud. This maybe the time for destructive removal. Do you have a good set of vice grips? You may want to grind/file a set of flats on there to help the grip. Grab it down low and hope you don't snap the damn thing off.

jagarra wrote:That looks like threaded rod that someone used instead of the correct stud. This maybe the time for destructive removal. Do you have a good set of vice grips? You may want to grind/file a set of flats on there to help the grip. Grab it down low and hope you don't snap the damn thing off.

I would be inclined to do some heating with a propane torch. I wouldn't be inclined to take the temperature to a spit sizzling degree, but if I failed I might just sizzle some spit.

Those clamps aren't rare and there should be a lot of them around. They aren't high demand items. If you can find them I imagine they could be had more cheaply than $25.

Now then, if you should ever want a R90S set (which are cosmetically different) that will likely set you back quite a bit.

Ken