i added more coolant to the full line in the recovery tank cause it was low is that ok? it was not 50/50 though it was full...i been havin some wierd issues goin on with it though like the tempature meter on the dash has moved up a half inch for sum reason? and sometimes the coolant goes up in the recovery tank and sometimes theres none in there even when the car is warm? im thinkin i have a gasket leaking somewhere....i just bought a new radiator cap im gonna put it on tomorrow and see what happens....also was thinkin it can be my thermastat maybe i should change that also? another thing is it ok i flush the radiator out and add new coolant? like 50/50 or str8?