My 360 Saga

Liquid can fall into the cylinders when you take the head off. Even if it has been sitting outside of an engine bay for a while. Once the head tilts to come off, any fluid left inside will spill right out.

No rust on the cylinder wall? Then your good.

Those pistons are in the basement, or so they look. The re-ring/bearing kit with KB-107's or sealed power cp116's (Like Fishy said) is what I would do and cam as you like with a RPM and 750.

Single pattern cams are not what I would prefur to use in the street unless the heads have been very well ported to a better balance. Use a split duration cam. There better in most cases.

I myself would re-sell those headers (unless there good for you to use) & flex fan.