ac box to non ac heater box - Team Camaro Tech
Tech 2002 General Tech questions from 2002
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post #1 of 4 (permalink) Old Apr 3rd, 02, 06:13 PM Thread Starter
 
Join Date: Feb 2001
Posts: 925
I have a sec and first gen. that both have ac heater boxes, i want to take them out but keep a heater, would a non ac heater box bolt up to the firewall where the ac was?
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post #2 of 4 (permalink) Old Apr 4th, 02, 03:53 AM
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Mark
 
Join Date: Sep 2000
Location: Shrewsbury, MA, USA
Posts: 6,509
Don't know about a second gen, but the hole in the firewall for an AC car is taller, but narrower than the non AC duct in the engine compartment on a first gen. It's about 10" tall by 8" wide where an non A/C car is about 8" tall by 14" wide. There will be about a 1" gap above and below the heater duct if you try to replace it. The A/C car also does not have the two cutouts on the inner side for the tubes for the heater hoses to pass thru.

You will also lose the use of the upper dash vents, assuming you replace the inner box as well, since it is not compatible with a non A/C engine side duct, nor is the wiring for the blower motor resistor. Non A/C cars have direct connections to the cowl area that the A/c cars don't have. The cowl area is connected to the upper vents by plastic tubes with a valve in it that is controlled upper slider on the kick panels.

Your better of leaving it alone, as you are only going to adversely affect the value of the car in the long run.

------------------
Mark Canning
1969 Indy Pace Car
350/300HP RPO Z11
My 69 L48 - 350/300HP Engine
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post #3 of 4 (permalink) Old Apr 4th, 02, 05:17 AM
 
Join Date: Aug 2000
Posts: 234
The answer is "no".
The 2nd gen is the same. If you remove your a/c box on the firewall you'll have a big hole in the firewall for the evaporator. Plus the heater core/hoses comes out in a different spot. The smaller heat only box won't cover the holes left in the firewall.

Your best bet is to leave the box on the firewall, discharge the system, remove and cap the hoses, remove the compressor and simply run water through the unit for heat/defrost. Save all the parts so you can put it back together again. Remove the hoses with a wrench, not a sawzall like it was common to back when these weren't worth much.

edit: the 2nd gen is the same - concept. The parts are different, the results are the same - can't do it (easily).

[This message has been edited by NastyZ (edited 04-04-2002).]
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post #4 of 4 (permalink) Old Apr 4th, 02, 08:30 AM Thread Starter
 
Join Date: Feb 2001
Posts: 925
I did remove the old AC stuff. I just wanted more room, thanks for the detailed responses!
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