My biggest concern about the valve cover bolts, is if vibration will work them loose. Guess you'll find out, and we'll all learn if it works as good as we'd like.
I still did not see any build specs.
SWS
so the specs on the engine aren't any thing wild. one 6.9, bored 30 over, pistons decompressed 40, moose pump, new injectors, hypermax pulse turbo and intercooler, serpentine belt conversion, arp head studs,