Can someone help im missing something I have most of the dash apart and still haven't got the heater box out 88 v-6 with air. the air is discharged,blower box is out ,the heater box moves around but that is it..........

 

Did you disconnect the hoses from the 'core in the engine bay? You really need to finesse it out. Check the link in my sig and see if that helps you at all.