HEAD GASKET HELP!!!!!?

i just took of my heads and the pistons were filled with coolant. the problem is that the head gaskets looked good and the heads looked good, but someone told me that you cant tell if the heads or gaskets are leaking or blown just by looking at it. he said you have to check to see if the heads are leveled and he said to change the head gaskets even though if the head gaskets looks good, it can still be messed up. IS THIS TRUE??HEAD GASKET HELP!!!!!?NEVER reuse a head gasket, take the heads to a machine shop and have them machine them flat. then get a new head gasket and put it back together.
HEAD GASKET HELP!!!!!?
could be a cracked head too. it would be a good idea to have the heads serviced before you put them back on with new gaskets. as for the pistons filled with coolant you should have drained the radiator first, once you loosen the head bolts the fluid will run into the cylinders.
HEAD GASKET HELP!!!!!?
Inspect each cylinder and head closely. If you notice one cylinder or combustion chanber in the heads looks a lot cleaner than the others that's where the leak was. Water in the cylinder will literally steam clean the cylinder. Look at each spark plug individually. Also find a good straight edge and check your heads. It is a possible to warp a head and cause a gasket leak.
that is true, anytime u take the heads off u should put new gaskets on, ur old gaskets may not go back in the identical position they were in and when u torque them back down they won't compress the way they should. this could cause a leak or even warp or crack ur heads. if u have fluid in the cylinders u'd better have the heads magniflexed to check for cracks and for level and hope it's not the block that's cracked.

when u put the heads back on remember, they need to be torqued to specs and in the proper pattern. Ask a dealer or auto parts store for the specs.

good luck
Yes it is true.You can't tell by how the gaskets and heads look. If you have aluminum heads they will warp if the car overheated. They have to be leveled by a pro. And the gaskets always need to be replaced. Why take the chance by not putting in new gaskets.