64,65,66 GMC with factory a/c? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

100%Chevy · 12-16-2011, 10:22 PM

Anybody seen one?
I'd like some pictures of the dash controls and air vent(s).Never seen one.
I have a 65 Chevy,C-10 with air,but the dash stuff won't work on my GMC.
Thanks,Mike.

**nbrfd007** · 12-16-2011, 10:45 PM

Quote:

Originally Posted by 100%Chevy

Anybody seen one?
I'd like some pictures of the dash controls and air vent(s).Never seen one.
I have a 65 Chevy,C-10 with air,but the dash stuff won't work on my GMC.
Thanks,Mike.

I have never seen an in dash air on a 64-66 GMC, just under dash units.
Tim

Joemomma1 · 12-16-2011, 11:57 PM

There is such an animal! I pulled a almost complete setup minus the under dash vents from a FACTORY equipped truck. The 3 pull knobs mount under dash on a piece of angle iron. I'll post a link to some factory drawings when I get to my pc.
Posted via Mobile Device

100%Chevy · 12-17-2011, 12:10 AM

A few years ago,I saw some under dash a/c vents for sale,but could not proove they were the real thing.
Obviously,GMC didn't sell very many of them!
I'd appreciate any pics or info you may have.
Thanks,Mike.

duallyjams · 12-17-2011, 10:09 AM

The GMC with the V6 were all dealer add on AC hence all vents are under the dash from what I have read and seen.

64fleetside · 12-17-2011, 12:29 PM

The GMC fact a/c unit used the same heater & evaporator box as Chevy, same knobs/controls although mounted underdash on a piece of angle-the upper plenum that goes to the former ashtray hole center vent on the Chevy is different, and routes to underdash vents robbed from mid/late-50s Pontiac cars.

**aerotruk63** · 12-17-2011, 09:26 PM

Bill's Truck Shop in Courtice Ontario Canada has a 64 GMC Suburban with a Mark IV under dash unit fresh from California that he's selling parts off of. The Mark IV was offered as a dealer installed accessory according to the Silver Book.

The 1964 GMC Accessories book has no listing for A/C.

A 1965 GMC Accessories Order Pad.

Joemomma1 · 12-18-2011, 08:08 PM

Quote:

Originally Posted by 64fleetside

The GMC fact a/c unit used the same heater & evaporator box as Chevy, same knobs/controls although mounted underdash on a piece of angle-the upper plenum that goes to the former ashtray hole center vent on the Chevy is different, and routes to underdash vents robbed from mid/late-50s Pontiac cars.

Thats what I'm reffering to as factory equipped, not the "one size fits all" knee freezer setups you would usually see. What Pontiac can I find those vents from? I've been searching but have had no luck.

Heres the link to the photos.

http://rides.webshots.com/album/2620...mqcAD?start=12

12-16-2011, 10:22 PM	#1
100%Chevy Registered User Join Date: Jun 2008 Location: Moss Point,Ms. Posts: 1,439	64,65,66 GMC with factory a/c? Anybody seen one? I'd like some pictures of the dash controls and air vent(s).Never seen one. I have a 65 Chevy,C-10 with air,but the dash stuff won't work on my GMC. Thanks,Mike.

12-16-2011, 11:57 PM	#3
Joemomma1 Registered User Join Date: Mar 2009 Location: CA Posts: 813	Re: 64,65,66 GMC with factory a/c? There is such an animal! I pulled a almost complete setup minus the under dash vents from a FACTORY equipped truck. The 3 pull knobs mount under dash on a piece of angle iron. I'll post a link to some factory drawings when I get to my pc. Posted via Mobile Device

12-17-2011, 12:10 AM	#4
100%Chevy Registered User Join Date: Jun 2008 Location: Moss Point,Ms. Posts: 1,439	Re: 64,65,66 GMC with factory a/c? A few years ago,I saw some under dash a/c vents for sale,but could not proove they were the real thing. Obviously,GMC didn't sell very many of them! I'd appreciate any pics or info you may have. Thanks,Mike.

12-17-2011, 10:09 AM	#5
duallyjams Registered User Join Date: May 2007 Location: Deale Md Posts: 4,663	Re: 64,65,66 GMC with factory a/c? The GMC with the V6 were all dealer add on AC hence all vents are under the dash from what I have read and seen. __________________ James 63 GMC V6 4speed carryall 65 chevy swb bbw V8 auto 68 K20 327/4 speed, buddy buckets 2002 GMC CC Dually Duramax 64 GMC lwb 3/4 V6 4speed SOLD 66 GMC swb bbw buddy buckets SOLD IG duallyjams The only thing that stays the same is constant change!

12-17-2011, 12:29 PM	#6
64fleetside Registered User Join Date: Apr 2004 Location: arkieland Posts: 1,070	Re: 64,65,66 GMC with factory a/c? The GMC fact a/c unit used the same heater & evaporator box as Chevy, same knobs/controls although mounted underdash on a piece of angle-the upper plenum that goes to the former ashtray hole center vent on the Chevy is different, and routes to underdash vents robbed from mid/late-50s Pontiac cars.

12-17-2011, 09:26 PM	#7
aerotruk63 Check The Champ, Demonstrator Join Date: Jun 2009 Location: Montreal,Quebec Posts: 6,625	Re: 64,65,66 GMC with factory a/c? Bill's Truck Shop in Courtice Ontario Canada has a 64 GMC Suburban with a Mark IV under dash unit fresh from California that he's selling parts off of. The Mark IV was offered as a dealer installed accessory according to the Silver Book. The 1964 GMC Accessories book has no listing for A/C. A 1965 GMC Accessories Order Pad.



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