1969 A/C lap vents - Pontiac GTO Forum
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post #1 of 27 (permalink) Old 08-10-2012, 08:09 PM Thread Starter
 
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1969 A/C lap vents

I have a 1969 GTO with out A/C. Can I use the lap vents housing that attaches under the dash with an after market A/C system. I believe I would have to fabricate connections in the system. I just want to confirm I can install the lap vents housing on a non factory A/C vehicle.

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Joe

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post #2 of 27 (permalink) Old 08-11-2012, 11:49 AM
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Maybe.... My 69 was a factory air car and I replaced it with an aftermarket system. I chose not to re-install the lap vents. On the aftermarket system I used, all the air exits the unit from one "cluster" where several flex hoses connect and carry the air to the various registers. My system has 4 such exit ports. I used one each for the passenger and driver side dash registers and one for the center dash register. That would have left just one for all of the lap vents. Rather than try to rig up some arrangement to feed the lap vents from just one flex hose, I decided to just leave it out. Without those vents in place I've got better access to the underside of the dash if I need it, and the system cools just fine without them.

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post #3 of 27 (permalink) Old 08-11-2012, 12:47 PM Thread Starter
 
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Bear,

Thanks again for the information. Since I have a non A/C car, I wanted to run the two side vents and use the two lap vents from an A/C car. If you don't mind, what after market A/c system are you using.

Joe

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post #4 of 27 (permalink) Old 08-11-2012, 01:10 PM
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I'm using one from Classic Auto Air in Grapevine, TX. No one I know of makes a turn-key kit for a 69, including them. They worked with me and put me together sort of a hybrid Chevelle/generic kit that I was able to fit to my 69 and the factory controls and vents.

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post #5 of 27 (permalink) Old 08-11-2012, 02:14 PM Thread Starter
 
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I was planning on installing a Hurricane 2100 system from old air products with some modifications:

http://www.oldairproducts.com/catalo...120132014.html

But, I will check with the classic auto since they have experience with a 69 GTO.

Thanks,

Joe





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post #6 of 27 (permalink) Old 08-12-2012, 12:03 PM
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I looked at Old Air too at first, but ultimately decided against them. I don't remember why now though... I think maybe it had to do with the size and shape of the dash unit but I'm not sure.

My 'Classic' system fits and I didn't have to "lose" my glove box as I understand you do with some. I do wish it blew 'harder', but it does cool reasonably well even on 100+ days here in Texas.

I did just spend some time looking through Old Air's web site and their catalog, and there are some attributes of the system I like - like the electronic control option (as opposed to slide cables) and the idea that it might move more air. Who knows - maybe I made the wrong choice?

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post #7 of 27 (permalink) Old 08-12-2012, 09:39 PM Thread Starter
 
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Thanks for all the information. A/C installation is low on my priority list, but I thought I would start watching for parts now, such as the lap vents. I also like the electronic controls on the old air systems.

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post #8 of 27 (permalink) Old 10-07-2012, 09:43 PM Thread Starter
 
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Asking again, since another lap vent came available.

Will the lap vents fit from a 69 A/C car on a non A/C car? The goal being to use it with an after market system.

Thanks,


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post #9 of 27 (permalink) Old 10-09-2012, 05:13 PM
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Quote:
Originally Posted by joesweeting View Post
Asking again, since another lap vent came available.

Will the lap vents fit from a 69 A/C car on a non A/C car? The goal being to use it with an after market system.
Been thinking about it, and I'm sure they'll "fit" --- meaning they'll bolt up below the dash. The problem you're going to have is connecting them to the air duct. All the aftermarket kits use some sort of round flex hose ducting, but the lap vents connected via (more or less) rectangular plastic duct work. If you're handy with bending up sheet metal or working with fiberglas you should be able to fab up adapters to let you connect the round hoses, but there'll definitely be some fab work required.

But hey, if it was easy anyone could do it, right?

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post #10 of 27 (permalink) Old 10-09-2012, 05:29 PM Thread Starter
 
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Thanks again

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