For the time being I'm planning to run a 16G, 2G head and intake. Rebuild the head with new seals, BC Titanium spring and retainers, Comp Cams (259) 272 equivalent, 3g lifters, DSM Graveyard regind valves, Cometic MLS HG, ARP HS.I'm now a bit concerned on the crank grind. Can someone expand...