What year 360?

As has been mentioned earlier in this thread, a thicker cylinder seals better due to less flexing, that's the biggest benefit you would ever need.

That having been said, if you wanted beefier pan rails and main bulkheads, the '88-'92 360 EFI LA block has pan rails that are at the very least half filled, as compared to earlier blocks.

The difference in strengths depends on what you intend to do.
I will tell you that I've never heard or seen an early 360 having main cap or webbing failure, stroker or stocker, but I have always seen and heard of poor sealing and heating issues on later castings.

You know, I've had many 360 Magnum blocks in the past, but I've never viewed them with an eye towards "max horsepower", so I can't say how beefy they are in the main web, which is a good point to consider on higher horse strokers.
I have heard they are weak nearer the back, in the cam area in that they tend to crack there, but I have not personally seen this, nor can I suggest why and how they do it.

Mark.