FACTORY AC - Are all years identical? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Rack Man · 10-07-2008, 11:47 PM

Think I'm going to add factory AC as part of my 70 K10 build...So, I'm going to look for a donor truck that has it.....I'm just wondering if I need to look only for a 70 or will any 67-72 factory AC truck be ok?

Hopefully I can find a donor that has the AC plus "Buddy Buckets"....and I will be one happy dude !

Thanks, Dan

*chevy29267truck* · 10-08-2008, 12:49 AM

so far ive seen most of 71 or 72 trucks with a/c ive seen 67-70 trucks that had a/c before i would like too find a/c for my 67 chevy 3/4 ton long wheel base 4speed truck i do have a spaire dash that has the holes for factory A/C

sneakysnake · 10-08-2008, 09:14 AM

I believe that the units were all the same. You will have to modify the firewall a little because of the differences and dash vents

Musclerodz · 10-08-2008, 03:31 PM

A/C box mounting holes are also different. Installing an a/c system from a 72 GMC in a 68 Chevy now. I had to elongate the heater core holes, and drill the holes for the a/c box. The difficult part will be locating the brackets for the vaccum operated wiper cowl vent correctly.

**68350** · 10-08-2008, 04:18 PM

We added factory air to our 68 gmc. The nice thing about it is, as shown in the picture, is that you can make the holes bigger and the a/c box will cover it and you won't have to cut out the firewall and replace it.

ChevLoRay · 10-08-2008, 07:33 PM

Quote:

Originally Posted by Musclerodz

A/C box mounting holes are also different. Installing an a/c system from a 72 GMC in a 68 Chevy now. I had to elongate the heater core holes, and drill the holes for the a/c box. The difficult part will be locating the brackets for the vaccum operated wiper cowl vent correctly.

If you can see an A/C truck, you'll see where that vent flap is located. Then, look closely at the cowl of an un-airconditioned truck and you'll notice that there are slight indentations that are there to serve as locators for the screws that mount that device.

As an aside, as soon as my cab goes into the shop to be repaired, I will be removing an air dash from the scrap that I will be left with. It is un-cut, meaning that the radio cutout is still original.

**67 cst swb** · 10-08-2008, 09:41 PM

So, just to verify...
67, 68, 69, 70, 71 & 72 AC systems DO all interchange...
One from a 72 will work on a 68, and 71 will work on a 69, etc...
As long as both are AC cabs all is well...?
I have a 67 factory air cab... I can look for stuff off ANY year AC truck 67-72..? Correct...?

sneakysnake · 10-09-2008, 08:50 AM

Here is a old post that may help in your quest.LOL

http://67-72chevytrucks.com/vboard/s...85#post2012385

ED67C20 · 10-09-2008, 09:52 PM

Can you make your own holes in a non-a/c dash for the three ducts? I beleive the dash is spot-welded in right? Is the holes for the control panel the same size? I have been wondering about this for a long time. This forum is awesome!

sneakysnake · 10-10-2008, 08:58 AM

Quote:

Originally Posted by ED67C20

Can you make your own holes in a non-a/c dash for the three ducts? I beleive the dash is spot-welded in right? Is the holes for the control panel the same size? I have been wondering about this for a long time. This forum is awesome!

Yes, but you need to make a template, the cut is oblong.The control holes are the same.If you dont have access to an AC dash PM me with an address and I'll send you the templates.

10-07-2008, 11:47 PM	#1
Rack Man Registered User Join Date: Sep 2008 Location: Tempe, AZ Posts: 770	FACTORY AC - Are all years identical? Think I'm going to add factory AC as part of my 70 K10 build...So, I'm going to look for a donor truck that has it.....I'm just wondering if I need to look only for a 70 or will any 67-72 factory AC truck be ok? Hopefully I can find a donor that has the AC plus "Buddy Buckets"....and I will be one happy dude ! Thanks, Dan Last edited by Rack Man; 10-07-2008 at 11:48 PM.

10-08-2008, 12:49 AM	#2
chevy29267truck Account Suspended Join Date: Sep 2008 Location: Alva Florida Posts: 668	Re: FACTORY AC - Are all years identical? so far ive seen most of 71 or 72 trucks with a/c ive seen 67-70 trucks that had a/c before i would like too find a/c for my 67 chevy 3/4 ton long wheel base 4speed truck i do have a spaire dash that has the holes for factory A/C

10-08-2008, 09:14 AM	#3
sneakysnake It's a catastrophic success. Join Date: Jan 2003 Location: Oklahoma Posts: 2,077	Re: FACTORY AC - Are all years identical? I believe that the units were all the same. You will have to modify the firewall a little because of the differences and dash vents Attached Images

10-08-2008, 03:31 PM	#4
Musclerodz Senior Member Join Date: Aug 2005 Location: OKC, OK Posts: 2,364	Re: FACTORY AC - Are all years identical? A/C box mounting holes are also different. Installing an a/c system from a 72 GMC in a 68 Chevy now. I had to elongate the heater core holes, and drill the holes for the a/c box. The difficult part will be locating the brackets for the vaccum operated wiper cowl vent correctly. __________________ Mike Redpath

10-08-2008, 04:18 PM	#5
68350 Senior Member Join Date: Jan 2002 Location: Williston, ND Posts: 2,999	Re: FACTORY AC - Are all years identical? We added factory air to our 68 gmc. The nice thing about it is, as shown in the picture, is that you can make the holes bigger and the a/c box will cover it and you won't have to cut out the firewall and replace it. __________________ 68 Chevy CST/10, 50th Anniversary, 327/th400, 373 posi, buckets 68 GMC Shortbox Stepside, 402/th400, Tilt, Tach, Bucket Seats, 3.08 Positraction 69 Chevy Camaro SS, 383, 4 speed, positraction 70 Chevy El Camino SS396, Triple Black, 454/th400, Tach 70 Chevy Shortbox Stepside 4x4, 350/th350, Tilt, Tach, Cab Lights, Bumper Guards, Tow Hooks 70 Chevy 3/4 Longbox, 350/auto, 70k, SURVIVOR 71 Chevy Blazer, CST, 350/auto 71 GMC Sierra K2500, 454, 4 speed, 4.10 posi, 37s 71 Custom/30, Open Road, 350/th400, tilt 72 Chevy Shortbox Fleetside, 496 Stroker/th400, Tilt, Tach, Bucket Seats, 3.42 Posi 72 GMC Sierra Grande 2500. 427/th400, tilt, a/c, tool and stowage, buckets/console, 3.54 posi

10-08-2008, 09:41 PM	#7
67 cst swb Senior Member Join Date: Nov 2001 Location: Rapid City, SD Posts: 2,281	Re: FACTORY AC - Are all years identical? So, just to verify... 67, 68, 69, 70, 71 & 72 AC systems DO all interchange... One from a 72 will work on a 68, and 71 will work on a 69, etc... As long as both are AC cabs all is well...? I have a 67 factory air cab... I can look for stuff off ANY year AC truck 67-72..? Correct...? __________________ My Trucks: 1967 Chevrolet Short Wide Box 327 TH350 9" w/3.90 gears paint will be White - Current Project 1967 Chevrolet Custom LWB 283 TH400 3.73 Posi, no-AC, no-PS, no-PB, bench-seat, small-window - mostly orig driver 1967 Chevrolet CST LWB originally a 327 TH400 3.73 Posi AC PS PB, had Buddy Buckets, Small Window - parts truck 1967 Chevrolet CST LWB, 283 MT 3.73 had Buddy Buckets, Panoramic Window - parts truck 2001 Chevrolet 3500 2WD Crew Cab Dually 8.1L Allison White

10-09-2008, 08:50 AM	#8
sneakysnake It's a catastrophic success. Join Date: Jan 2003 Location: Oklahoma Posts: 2,077	Re: FACTORY AC - Are all years identical? Here is a old post that may help in your quest.LOL http://67-72chevytrucks.com/vboard/s...85#post2012385

10-09-2008, 09:52 PM	#9
ED67C20 Registered User Join Date: Aug 2006 Location: spokane, washington Posts: 37	Re: FACTORY AC - Are all years identical? Can you make your own holes in a non-a/c dash for the three ducts? I beleive the dash is spot-welded in right? Is the holes for the control panel the same size? I have been wondering about this for a long time. This forum is awesome!



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