All cylinders filling with water

You said you're running ARP studs and you only torqued them to 95 ft lbs? If that's the case, it's blown head gaskets due to insufficient clamping force. The ARP instructions say to torque them to 110 ft lbs with ARP lubricant.

[ame]http://arpinstructions.com/instructions/144-4001.pdf[/ame]