|
02-15-2017, 01:39 PM | #1 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
Found some pictures of the truck prior to the van body being removed. Evers Distributing was the original purchaser of the truck.
|
02-21-2017, 10:17 PM | #2 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
I made progress on refinishing the truck. Sanded, primed, sanded, primed, sanded, primed, you get the idea, the front fenders and extensions, first with 220 grit wet/dry then the final two passes were with 320 wet/dry. Next will be the hood and drivers step. Hope to be spraying some more paint by the end of the week. Gotta work tomorrow, that kinda gets in the way of playing!
|
02-24-2017, 12:48 AM | #3 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
Hope to paint these items tomorrow!
|
04-29-2017, 12:10 AM | #4 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
The floor mat is for an earlier truck, doesn't fit perfect but it works.
Classic Truck Parts Item 39-033 (1967-72) Floor mat Small Hump |
05-08-2017, 02:58 PM | #5 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
Got started repairing the drivers door, had to weld cracks where mirror attached. Ordered new door channel rubber from LMC.
|
05-09-2017, 03:25 AM | #6 |
Registered User
Join Date: Sep 2016
Location: upstate NY
Posts: 15
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
Great job on that truck and excellent pictures. If you could, it would be awesome to see a video of that Detroit running in the truck. Detroits are music to my ears!
__________________
1989 GMC R3500 Ex-fire light truck |
07-01-2017, 10:49 PM | #7 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
After welding up the door cracks, I was not happy with the results. Got major warping on the door skin which would have required lots of filler. At the end of the day I decided to order new door shells from Auto Metal Direct. Their local dealer, ZBR Enterprises, 3200 Commander Suite 110, Carrolton, TX 75006 was able to order them for me. While I am waiting on the new doors I plan to finish painting the cab roof and back. Pictures of progress will follow.
|
07-02-2017, 07:42 AM | #8 |
Registered User
Join Date: Oct 2009
Location: Salvisa, Ky
Posts: 131
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
If you can find the newer type mirror diagonal brace, it eliminates cracks where the short bracket bolts on right under the vent window.
|
07-02-2017, 03:07 PM | #9 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
|
10-02-2017, 01:54 PM | #10 |
Registered User
Join Date: Sep 2009
Location: Beaverton, OR from WA State
Posts: 1,515
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
Any updates to report? I took a break from forums for a few months and just remembered this build. I really appreciate your detail and use of OEM parts (particularly in the A/C conversion).
__________________
Devin 1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt 1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050 1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350 My Introduction with my '83s History New Daily, the '96 |
10-02-2017, 02:48 PM | #11 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
Not any progress, waiting to get my shop empty of other work so I can proceed. Hopefully soon.
David |
01-31-2018, 07:58 PM | #12 |
Registered User
Join Date: Sep 2009
Location: Beaverton, OR from WA State
Posts: 1,515
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
I can't be the only one interested, but it's about time to check in and see how that shop emptying is going...
__________________
Devin 1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt 1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050 1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350 My Introduction with my '83s History New Daily, the '96 |
01-31-2018, 11:34 PM | #13 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
1979 Chevrolet C70 Conversion to OEM Air Conditioning
My shop is getting closer, had a setback, one of my primary tractors broke a cylinder sleeve and locked the engine. I am in the process of a full rebuild, once done the truck is next. Anxious to get it finished!
|
05-08-2018, 09:13 PM | #14 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
Making progress, the truck is back in the garage and ready to finish the painting of the cab!
|
05-11-2018, 11:06 PM | #15 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
1979 Chevrolet C70 Conversion to OEM Air Conditioning
Making progress on the body work on the cab. Roof is sanded, hope to get the cowl area and door hinges sanded tomorrow. Next I will tackle the door opening and rear of the cab. If all goes as planned, I should be able to paint it next week.
|
05-11-2018, 11:08 PM | #16 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
1979 Chevrolet C70 Conversion to OEM Air Conditioning
I am looking for a fan and fan clutch that will fit the 4-53T. Mine has a solid fan drive with no clutch.
Thanks David |
06-03-2018, 11:04 PM | #17 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
1979 Chevrolet C70 Conversion to OEM Air Conditioning
The fun details, made a conformity sticker to replace the original. I had taken a good picture of it before removal. The sticker was originally printed on a paper label with a clear film over the top. Was able to get sticky project paper at Office Max and clear printable shipping label. I then recreated the sticker using Microsoft Paint, printed it and then cut the clear to fit with the required overlap. It turned out really good. The first picture is the original and the bottom picture is my re-creation.
|
06-07-2018, 01:14 AM | #18 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
1979 Chevrolet C70 Conversion to OEM Air Conditioning
More progress. Got the Air Conditioning finished up. Made new hoses that connected the compressor output to the high side and the suction to the low side. Serviced with oil charge, and 4 cans of 134A. Presto, we have cold cold air blowing out the dash vents. Moving the temp control allows us to blend the temp as advertised. Next we installed the rain gutters over the left and right doors.
|
05-12-2018, 10:07 PM | #19 |
Registered User
Join Date: Jun 2004
Location: Beeville, Texas
Posts: 1,943
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
Don't believe there ever was a fan clutch for that engine, factory book only lists a direct drive even for a truck with factory A/C.
__________________
RJD 1984 Chevrolet C30 welding truck 454/SM465 1977 GMC C15 pickup 350/TH350 1970 Chevrolet C20 pickup 350/TH400 1970 Chevrolet K20 Suburban 454/TH350 1969 GMC 8500 478M V6/5 spd winch truck |
05-12-2018, 10:59 PM | #20 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
1979 Chevrolet C70 Conversion to OEM Air Conditioning
If you look close at this truck, you will note it has a fan clutch. I have seen one other unit (California Truck) that also had a fan clutch. It may be that one was not offered in 1979.
David |
05-13-2018, 04:34 PM | #21 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
1979 Chevrolet C70 Conversion to OEM Air Conditioning
Here is a picture of a 1979 GMC 7000 with 4-53T equipped with A/C and fan clutch. This picture was on www.4btswaps.com "foxyboxy" forum.
Last edited by Airdirect; 05-13-2018 at 07:35 PM. Reason: Picture link was broken |
05-14-2018, 10:44 AM | #22 |
Registered User
Join Date: Sep 2009
Location: Beaverton, OR from WA State
Posts: 1,515
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
These look to be the relevant pages for fan clutch stuff:
http://gmpartswiki.com/getpage?pageid=176194 http://gmpartswiki.com/getpage?pageid=176193 http://gmpartswiki.com/getpage?pageid=176192
__________________
Devin 1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt 1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050 1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350 My Introduction with my '83s History New Daily, the '96 |
05-14-2018, 07:11 PM | #23 |
Registered User
Join Date: Jun 2004
Location: Beeville, Texas
Posts: 1,943
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
I didn't think about the GM Wiki page, forgot there are some medium catalogs listed there. Looks like the first design used the same clutch for the 350 and 366, Hayden # is 2801. It has a four bolt pattern on the pulley and fan, looks real similar to the one in the picture.
__________________
RJD 1984 Chevrolet C30 welding truck 454/SM465 1977 GMC C15 pickup 350/TH350 1970 Chevrolet C20 pickup 350/TH400 1970 Chevrolet K20 Suburban 454/TH350 1969 GMC 8500 478M V6/5 spd winch truck |
05-14-2018, 09:35 PM | #24 |
Registered User
Join Date: Oct 2016
Location: Powderly Texas
Posts: 306
|
1979 Chevrolet C70 Conversion to OEM Air Conditioning
Thanks Robert! Great help, the first design used on the 350 should be fairly common and easier to find. This gives me a good start.
David |
05-15-2018, 04:41 PM | #25 |
Registered User
Join Date: Jun 2004
Location: Beeville, Texas
Posts: 1,943
|
Re: 1979 Chevrolet C70 Conversion to OEM Air Conditioning
You're welcome, credit goes to Devin for finding the parts pages. I'll have to bookmark that catalog. That clutch is also similar to one for a 454, # 2797. You might check the specs on them and see what the mounting dimensions are for the pulley and fan.
__________________
RJD 1984 Chevrolet C30 welding truck 454/SM465 1977 GMC C15 pickup 350/TH350 1970 Chevrolet C20 pickup 350/TH400 1970 Chevrolet K20 Suburban 454/TH350 1969 GMC 8500 478M V6/5 spd winch truck Last edited by Robert1970C20rstbukt; 05-15-2018 at 07:55 PM. |
Bookmarks |
Tags |
add oem air conditioning |
|
|