wrote:
>Taking a .010" off of the head surface
> would mean the valve adjustment nut might not be tightened to the same
> location on the rocker arm (or whatever) as it was before the surfacing
> was done, but it'll still allow for proper adjustment without causing
> any issues to starting the motor providing the valves are adjusted
> correctly.

Perhaps, but if you take .017" off the surfaces and don't readjust the valves,
the compression will be 0. Even .010" will affect the compression ratio; perhaps
enough to prevent starting the engine.

My point. Readjust the valves after a rebuild.

George Patterson
If you torture the data long enough, eventually it will confess
to anything.