I know what you mean Nico. I have seen this on a couple different 5-lug swaps I've done. I ended up drilling the hole out a bit further away from the pocket and welding on some thick washers to reinforce the newly drilled holes.
As far as a better rack, the XT6 is the best bolt in for the EA82 chassis option.
when I built the car last year I didn't check the size of the xt6 arms
then after driving the car I had this annoying vibration coming from the front last year, so annoying that I took everything a part to look over and seen the small bolt and bigger arm of the xt6.
so after drilling a bigger hole to add the proper xt6 bolt, I put a couple of km's on it. when I checked that, I had a slight rub on the metal.
this summer I want to fix this problem, I was thinking just drop in the EJ turbo crossmember, but it looks like that wont work also.
I might try your idea or actually cut a section out and re weld a new pocket for a little room, your idea will also add a bit more camber which also sounds better.
what is the advantage of the xt6 rack vs my ea82T rack ? nothing is wrong with my rack, just the idea of swapping the EJ crossmember i was thinking.
also I read there is a non power steering rack for the ea8t which I was thinking also.
thank you for your input !