redfishsc while u have the intake off get a gallon or 2 of mystery marvel oil and pour down the valley and the top of the heads rockers maybe some trans fluid too. then drain out after sitting over night. i bought a 1998 chevy with vortec 305 and same happen intake let loose but hell lot worse than urs was pouring watering into oil pan as fast as i poured it in rad. but ya bout 5 gallons of oil and marvel oil later and new gaskets i saved it lol