No need to make it 'personal', it's a discussion not an argument (this aint the Lounge after all).
As I recall the problem was not a 2 or 4 main bolt design, it was the position of the
oil galley itself that was the problem with cracking.
Top Oiler:
Side Oiler, note the
oil galley down the center of the block has been moved to the side of the block:
