69 dart question

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69DARTS

69 Darts Rule
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I heard that the firewall on 69 darts
Is different between a non a/c car
And a a/c car
If so educate me.
Can i use a non a/c heater box.
On a a/c car.
 
Not limited to 1969, but the short answer is no.

Modifications required for the conversion.
 
^^^^ X2 on this, it's a major project. The holes have to be sealed that went to the AC lines, the heater hoses are in different places, and IIRC the heater fan is also in a different place. I considered going down this road till I get a good look at what was involved to convert. I kept looking for an AC box so I could swap it out directly.
 
you can use whatever you want, but like Alaskan_TA says, mods will be required.

I heard that the firewall on 69 darts
Is different between a non a/c car
And a a/c car
If so educate me.
Can i use a non a/c heater box.
On a a/c car.
if you aren't using A/C, the biggest thing is blocking off the extra holes
 
The entire fan motor goes through the firewall on an A/C car and has a few extra holes for the lines and drain, on a non-A/C car only the motor itself goes through the firewall and there is a plate that has 4 nuts that hold the heater box on. So holes need filled, and an entire section of firewall has to be removed and a new section welded in...
 
It can be done. Heater core holes are in the same spot. As stated above extra holes need to be filled in and the blower motor hole needs to be smaller...
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