Agreed with Synthetic on this. If you don't disconnect the lower radiator hose, make sure that you drain the oil before starting the engine, as you will have about two quarts of coolant in your oil. That is, of course, if you don't drain the coolant. I'll also stress that following the torque specs and sequence is absolutely critical to prevent your new gasket from leaking. Also carefully inspect the intake itself, as the aluminum may be pitted, in which case it is time for a new one.