MY A/C DOORS WONT OPEN UP SINCE I INSTALLED A 1971 ENGINE IN MY 1985 CAR. I TOOK OUT ALL MY SMOG STUFF AND MY COMPUTER SINCE A 1971 DID NOT RUN ON A COMPUTER. I GET HOT AIR BLOWING OUT THE BOTTOM AND THE MIDDLE DOOR SINCE I PROPPED IT OPEN WITH A PEN.
WHY WONT MY DOORS WORK LIKE THEY DID BEFORE?
PLEASE I AM DIEING HERE IN VEGAS WITHOUT A/C. PLEASE HELP ME. MY WIFE AND I NEDD A/C....HELP HELP HELP

 

Please turn the caps off. It hurts my eyes.

There should be a vacuum hose coming out of the firewall that needs hooked up to the manifold.

Give some details on the car.