ok new problem, i've taken the head off and it looks like the head gasket let go because the head bolts werent torqued up (but i multi stage torqued them and its a mono torque head gasket, figure that one out) and now the heads off theres coolant everywhere so ive cleaned it all up and sprayed a lil crc in the bores.
anywho i found this after i took the head off

what the hell is it? looks like boiled coolant and its only around the valve seat