A/C rebuild list. May help someone

Joshua Keith · Jun 16, 2020

1985 K10 SBC 350

This is the list I’ve come up with, but there may be some better deals out there. Prices are with taxes. I will have to get some lines made from a shop once I get it all together. Total price is 523.45 and still needs lines.I know Original Air makes a complete kit(https://www.originalair.com/83-87-chevy-gmc-truck-ac-performance-upgrade-kit-v8-stage-3)for $775 and includes lines. At checkout it said $972 after taxes and shipping.

Compressor
Vintage air #04808-VUA $229.37

Drier
AC Delco #151681
$19.76

Evaporator
Four Seasons #54275
$56.79

Condenser
GPD 3642C (dimensions I found are that it’s 28” wide compared to spectra and ac Delco which are 25.5. A lot of complaints of them being too narrow. I’ll include actual dimensions when it comes in.
$87.63

Brackets
Vintage air 15123-VCB
120.71

Orifice tube
UAC 5296C Blue
$3.00

O-ring kit
Four seasons #26739
$6.19

Vbb199 · Jun 16, 2020

Don't forget compressor mineral oil and the freon!!!

Joshua Keith · Jun 16, 2020

Vbb199 said:
Don't forget compressor mineral oil and the freon!!!

The compressor I bought comes pre-filled with pag oil. Do I need mineral oil for something else? My first build.

Vbb199 · Jun 16, 2020

Joshua Keith said:
The compressor I bought comes pre-filled with pag oil. Do I need mineral oil for something else? My first build.

No, I don't think so.
The pag oil is what's needed in the compressor.

From what it looks like, you have everything there in your list.

1987 GMC Jimmy · Jun 16, 2020

No mineral oil unless you’re setting it up with R12. PAG for R134a.

Doppleganger · Jun 16, 2020

Not sure how this system works, but every AC system I did (25+) there was PAG oil added to the compressor and also in the accumulator.

I have the Vintage Air setup but bought a later bracket and compressor to use instead. Just liked how it mounts better.

Vbb199 · Jun 16, 2020

1987 GMC Jimmy said:
No mineral oil unless you’re setting it up with R12. PAG for R134a.

Yeah that was my bad. I just serviced my AC in my truck, converted to R134.

Idk why I said mineral oil. I meant PAG.

1987 GMC Jimmy · Jun 16, 2020

Vbb199 said:
Yeah that was my bad. I just serviced my AC in my truck, converted to R134.

Idk why I said mineral oil. I meant PAG.

No biggie. It’s just that PAG and mineral oil like each other about as much as the Saudis and Iranians or two other groups that fervently dislike each other.

Scott91370 · Jun 17, 2020

This is an awesome list. I am going to be redoing the 82 we have because the system has been open for an unknown amount of time (and currently has a compressor that doesn't mount properly) so everything will need to be replaced.

Scott91370 · Jun 17, 2020

I got around to looking at your parts and the kit parts. This compressor is the full size version instead of the pancake style. I'd like to see pics of it installed to how that mounts and fits.

Joshua Keith · Jun 19, 2020

Scott91370 said:
I got around to looking at your parts and the kit parts. This compressor is the full size version instead of the pancake style. I'd like to see pics of it installed to how that mounts and fits.

Of course! The compressor came in today and I actually bought 2 different brackets, so I’ll show both of them installed for you guys as soon as they come in. The other bracket I bought is

https://www.originalair.com/chevy-small-block-v8-compressor-mount-driver-side-left-06-297

This bracket looks like it keeps the pump closer to the engine, and doesn’t connect to any of the exhaust mounts. So will work with any header.

andym22 · Jun 22, 2020

Try Original Air (Classic Auto Air) I bought their kit includes everything but evap and condenser for $500. They also have great tech support, as I was installing this system with no experience what so ever on AC, I was able to get the system up and running with no issues. I provided a link to what I bought.

https://www.originalair.com/77-80-c...ck-134a-rotary-compressor-upgrade-kit-stage-1

Joshua Keith · Jul 18, 2020

andym22 said:
Try Original Air (Classic Auto Air) I bought their kit includes everything but evap and condenser for $500. They also have great tech support, as I was installing this system with no experience what so ever on AC, I was able to get the system up and running with no issues. I provided a link to what I bought.

https://www.originalair.com/77-80-c...ck-134a-rotary-compressor-upgrade-kit-stage-1

yeah, I mentioned that in the first post.

Joshua Keith · Aug 8, 2020

Update: The condenser I listed still makes you notch out a part of the radiator support. It was an easy job with a cutoff wheel. I think most aftermarket condensers are about the same dimensions. I decided to go with the original air bracket and looks great. It allows for a lot of adjustability and keeps the compressor more compact.

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Joshua Keith · Aug 12, 2020

Finished up the a/c. Not as cold as I wanted with fan setting on high, 60 degrees idling. Granted it was about 100 degrees in my garage. Fan on low brought temps around 45 degrees. I haven’t tried any temps while driving yet.

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A/C rebuild list. May help someone

Joshua Keith

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Vbb199

B-rate Hillbilly Customs

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1987 GMC Jimmy

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Doppleganger

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1987 GMC Jimmy

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