While the head is off I'd get the valves ground and as Roll Guy said get it surfaced and checked for warpage. I'd also have the machinist measure the head bolts to see if they meet specs to re-use. The valve springs can be measured too.

I agree to get a manual for guidance.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.