I got a gasket set for my a/c and heater core. It is a 71. My dash is already out. Does anyone have advice on what is involved? Any tricks that i need to know when removing the whole unit? Will be replacing door gasket and all vacuum hoses also. Thanks in advance for all your knowledge and help

I redid my 67 recently. Motor was out of the car so that made it alittle less painful. Had to remove inner fender to access a/c core and clean everything up. Made a noticable difference in air flow!:beer: