Did you use new rod bolts? What I'm seeing by the bent rod cap is that a bolt may have failed or come loose. I always replace the rod bolts with ARP, then have the big ends resized. It's always hard to say. Were the rods magnafluxed? A fine crack could have escaped a visual without magnaflux.
If you need a rod, I have a few spare 360 rods that you could have for the cost of shipping.
Bob