All this stuff is mid 11’s compression and pump gas friendly.
mine isn’t, because I had my heads milled for a little extra compression because I like running 110.
The 6.08 motor is 11.6
compression dyno’ed on pump gas, had a 263@70 roller, 640 ish lift. He hasnt mentioned the cam size on the one that made 680, but I suspect it isn’t much bigger.
only 23 horse different, and the latest dyno mule has a better ring pack.