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250 cu in Air Conditioning Brackets #1188685 Sat Oct 29 2016 12:44 PM
Joined: Jul 2009
Posts: 65
T
Tim-o Offline OP
Wrench Fetcher
I'm contemplating installing an air conditioning kit in my '66 C-10. I began searching for a stock compressor bracket because I heard they were getting difficult to find. The air kit I am considering indicates their source for brackets has gone dry.

I went to a local wrecking yard and they guy there had a set of brackets off what he said was a 1978 Nova 6 cylinder. They even had the Delco 1131076 compressor attached - but were off the car. There are three brackets attached to the compressor - one appears to mount to the vehicle frame and the tension adjuster bracket has two bolts in slots to hold the belt adjustment.

All the 250 air systems that I have seen in pictures show the compressor located high on the passengers side of the engine - right beside the valve cover.

My question is - has anyone seen an air conditioning system on a 250 that was mounted elsewhere? With the brackets he has, I can't imagine how they would be used in the traditional position.

Re: 250 cu in Air Conditioning Brackets [Re: Tim-o] #1188714 Sat Oct 29 2016 06:06 PM
Joined: Oct 2002
Posts: 9,368
joker Offline
Moderator, Passing Lane

Last edited by joker; Sat Oct 29 2016 06:12 PM.

Redryder

My Hotrod

I am fighting cancer and I am winning the fight

A veteran - whether active duty, retired, national guard, or reserve - is someone who, at one point in his or her life, wrote a blank check made payable to The 'United States of America', for an amount of "up to and including my life."

Pain is part of life; misery is an option.

Re: 250 cu in Air Conditioning Brackets [Re: Tim-o] #1188735 Sat Oct 29 2016 07:38 PM
Joined: Jul 2009
Posts: 65
T
Tim-o Offline OP
Wrench Fetcher
Thanks for the links. I have seen a portion of the conversation you forwarded - but not the pictures. I have just about made myself nuts trying to figure out the supposed "Nova" brackets. Done lots of head scratchin' and wonderin'. The brackets I have seen made me think that the compressor would end up mounted down low off the block like the alternator is. Can't imagine there is enough room to mount it low. I appreciate your help.

Re: 250 cu in Air Conditioning Brackets [Re: Tim-o] #1188737 Sat Oct 29 2016 08:02 PM
Joined: Feb 2001
Posts: 1,280
T
Tommy Offline
Shop Shark
The compressor I assume was a small round compressor? If so it did have some strange mounting brackets. If you are thinking about the old 6 cyl long compressor it did mount differently, They both mounted to the front top of the cylinder head, but with completely different mounts.


Tommy
59 apache 1/2t
261 short stepside
Re: 250 cu in Air Conditioning Brackets [Re: Tim-o] #1188741 Sat Oct 29 2016 08:29 PM
Joined: Oct 2002
Posts: 9,368
joker Offline
Moderator, Passing Lane
you dont really need air anyway, I drove my 52 ever where over an 8 yr period, Okc in a June summer, to Kc in month of sept, no air or heat or power, just like it was built to be driven..lol... and it gets pretty hot in Tx...good luck with yours
what ever you decide..


Redryder

My Hotrod

I am fighting cancer and I am winning the fight

A veteran - whether active duty, retired, national guard, or reserve - is someone who, at one point in his or her life, wrote a blank check made payable to The 'United States of America', for an amount of "up to and including my life."

Pain is part of life; misery is an option.

Re: 250 cu in Air Conditioning Brackets [Re: Tim-o] #1188921 Mon Oct 31 2016 01:53 PM
Joined: Jul 2009
Posts: 65
T
Tim-o Offline OP
Wrench Fetcher
Yes Tommy - the compressor was a small round one - not the long one seen so often. I have yet to see a compressor on a 250 that is mounted anywhere other than on the top of the engine - which makes me think the "Nova" brackets are for a V8.

Re: 250 cu in Air Conditioning Brackets [Re: Tim-o] #1188958 Mon Oct 31 2016 05:54 PM
Joined: Feb 2001
Posts: 1,280
T
Tommy Offline
Shop Shark
Tim-o,

Way back in the 60's the compressors were mounted on the head above the distributor, they were the a-6 (long compressor). In the mid 70's gm came out with the radial (short compressor) and they were mounted in the same manner but with different brackets. If I remember correctly, it had 2 bolts on the top for adjustment, a long bracket that went down to the front of the engine,and little foggy on this, but seem to remember the third bracket went back to the motor mount.
The v-8 brackets mount to the (early) exhaust manifold and water pump,(late model) to the front of the heads. Do you have power steering? If not maybe you could look at the a/c mounts that are used on the 235's, The compressor mounts low in place of the alternator and the alternator mounts above it.


Tommy
59 apache 1/2t
261 short stepside
Re: 250 cu in Air Conditioning Brackets [Re: Tim-o] #1188988 Mon Oct 31 2016 09:38 PM
Joined: Jul 2009
Posts: 65
T
Tim-o Offline OP
Wrench Fetcher
All Hail the King of Stovebolts - King Tommy!!!!

Your memory is only slightly foggy. Once I saw your description of the air compressor as "radial" - and I googled that - I found the link below. And on page 1A-5 - in figure 4 it shows the exact bracket I have been turning every which way for a couple of days. As you can clearly see (and me too) there are two bolt holes in the front of the block that accommodate one mounting bracket - and two bolt holes on the side of the cylinder head for the other bracket. Then - the one you are a little foggy on - is a bolt hole under the fuel pump on the side of the block - instead of on the motor mount.


https://www.tradebit.com/filedetail...ht-truck-service-overhaul-supplement-pdf

I am humbled by your knowledge oh great one. You obviously have forgotten much more than I will ever know!

An Octoberfest toast to you. Long live the King!

Re: 250 cu in Air Conditioning Brackets [Re: Tim-o] #1189670 Sat Nov 05 2016 09:03 PM
Joined: Sep 2011
Posts: 1,859
L
Lugnutz Offline
Shop Shark
This topic is of interest to me but currently on the back burner. A year ago I was at a large swap meet and found this large bracket that was labeled as an AC bracket for a 1960's inline 6. The guy took my offer of $20. It was a gamble because I really wasn't sure what such a bracket should look like. He had all his stuff labeled very neatly so I figured he knew what he was selling.
Here's a LINK to some photos. I mocked it up on a 250ci I have in the shop. The bracket fits pretty well but not like a glove. The lower 2 holes near the timing cover do not line up with anything - making me think I don't have all the parts. I may have paid $20 for scrap metal. Anyone think maybe this belongs on a different engine or maybe it was on a larger 1.5 or bigger truck?

Last edited by Lugnutz; Sat Nov 05 2016 09:17 PM.
Re: 250 cu in Air Conditioning Brackets [Re: Tim-o] #1189672 Sat Nov 05 2016 09:22 PM
Joined: Feb 2001
Posts: 1,280
T
Tommy Offline
Shop Shark
Jay,
That bracket you have is for a radial compressor, I have the exact one on my 82 c-10. In your pictures you have a diagram of an old 6 cyl compressor( that is the size of the compressor, not engine). That was used in the 60's, early 70's, till gm came up with the radial compressor to work with the large dist (HEI). I have an old 230 block in the garage, will look tomorrow and see if the front has a different boss on the block for that lower mount. I'm sure someone must make a bracket to put a/c on a straight six.


Tommy
59 apache 1/2t
261 short stepside
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