Out of everything that I've thrown against the wall...Changing the slots is the most appealing to me. This could be done in 30 minutes, without any visual changes. You're only shooting for 1/8".. take 1/8" off the the vertical slots (blue) and then add 1/8" to the other side of the slot (green). Do it on both mounts to the pass side. Done! Test fit before welding anything, naturally. And man, the reality is.. you'll never go back to an LA, so any mods you make, won't really have a future effect. Plus, if you did drop one back in.. shifting it right 1/8" will have zero effect.
Welders tip in case you don't know.. You can clamp a piece of copper behind something and use it as a backer. The weld won't stick to it. Build up the edge, knock the copper off and then finish grind.
I agree with 340sFastback and sometimes you just gotta come back to it.. but if your brain is anything like mine.. it won't let go
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