While you have the head off, it would be a good idea to have a machine shop pressure test it for leaks, and/or do a "magnaflux" inspection, looking for cracks. This would also be a good time to have the machine shop do any valve-related work, such as regrinding or replacing valves, and inspecting the valve guides for wear. Even if you end up rebuilding the lower end of the engine at a later date, the head work will be done already. Good luck!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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