66 dart or a body ? need to know what dia the hole in the firewall is for a non a/c

[flathead31coupe]

I have a 66 dart used to have a/c, going non a/c patching all the holes...need to know the dia of the hole in the firewall where the fan motor goes through for a non a/c 66 dart or a body if they are the same...

 

[TLlew]

Just measured it on my 66 Valiant and it's 3 1/4.

 

[flathead31coupe]

Just measured it on my 66 Valiant and it's 3 1/4.

thanks

 

[convx4]

I am doing the opposite on my 66 valiant. I will get the dimensions in the next day or two.

 

[65 Dartman]

Non-AC heater blower hole is smaller than for a AC blower. I can get the non-AC size tomorrow.