Another 416 Stroker Build-Pic Heavy

RAMM said
Found a picture of why the block isn't sleevable. J.Rob

View attachment 1715629656

That doesn't quite look like it was clearanced by a grinder, more like an impact from a rod and stress crack formed near.
Is that what you're thinking too?

What is the industry standard clearance for the rod/bore on a 4", .075?