Why not? Bores would be done in line with crank centerline of course, but they still can be moved forth and back or rotated up or down around crank centerline? Whats the downside for doing that besides the head gasket/combustion chamber fitment? I would try the gasket on first and then make the call how much to move the bores. If I can work it out and it wont cause any other problems, I rather have that than walls that are too thin. I really don´t feel comfortable using this block without moving the bores.

I´d like to know what is the usual quality for these castings, is this really a bad one, and is it bad enough that I could require another block. If that´s the case I could discuss with my dealer about it.