Heater Boxes Different Throughout the Years?

[JGC403]

Do the heater boxes swap between all A-bodys or were there changes throughout the years. For example my I want to put the AC heater box from my '76 Duster into my '68 Barracuda and the Barracudas into the Duster. Will it swap?

 

[Sedanman]

It MAY but you will have to drill additional holes in the firewall and you will have to use everything from the car except the switch. The 67-73 cars used a 5 button vacume switch and the later ones used a slider switch to control the a/c and heat. The actual heater box with the heater core was the same for many years and the a/c cars had a bolt on seperate box that bolted to the heater box for support via a bracket. The best thing to do is lay it all out and compare. The 67-9 cuda also uses it's own dash bezel so the switch will have to fit in the existing location. It will be a lot of work

 

[RedFish]

Most everything about them changed. 72 and back, 73 and up.

 

[whitepunkonnitro]

63-66 One Style
66-72 Identical with the exception of the orientation of one cable bracket
73-76 Completely different animal in every respect.

 

[JGC403]

Thanks. I'll just look for the correct ones then.