Thanks for the pictures, Larry. I was having trouble visualizing what was being ground.
What would you think of grinding off the top of the stub of the bar, to flatten it? As long as the grinding takes place beyond the spot where the adjustment bolt contacts the bar, there would be no weakness introduced. The problem with the bar as it is? The part of the bar that hits the oblong hole, limiting the travel, is beyond the place where the adjustment is made. I think I would be more comfortable flattening the outer tip of the bar, than enlarging a hole in the frame. But that's just me.
Bill
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