Junkyard 360 found...should I pass on a modded motor? pic..

See that snow in the valley between the intake and valve cover? You can bet your butt that water has seeped thru the intake gaskets and into the cylinders, for quite a long time by now judging by the leaves and snow buildup in the engine bay. Ive seen this happen too many times before. It would end up being only a (possibly) rebuildable core. For that price, pass.