Heater box

[Mesopic]

Hi
Wishing to install a/c in my 69 road runner, heater box is from a non a/c car are they different? Do i need a a/c heater box. Any help greatly appreciated

 

[snakeoil24]

They are different. AC box has external fan Motor.

 

[Propwash]

Firewall is obviously different on an AC car as well

 

[moparstuart]

Hi
Wishing to install a/c in my 69 road runner, heater box is from a non a/c car are they different? Do i need a a/c heater box. Any help greatly appreciated

just get the new aftermarket kit , its much better then cutting tons of holes in the fire wall and getting all the correct expensive stuff