Author Topic: 1980 K20 4x4  (Read 16915 times)

Offline 1980K20

  • Frequent Member
  • **
  • Posts: 259
  • Newbie
Re: 1980 K20 4x4
« Reply #165 on: June 29, 2022, 01:45:03 AM »
Success!  Nice long drive today.

Next up is the AC unit. Iíve been watching YouTube, Iím dangerous!

Iím thinking about bringing the 2Ē lift back to stock.  The runner boards look like a big pain to install.  Put them on the list with the black paint.


Sent from my iPhone using Tapatalk
--------------------------------------
1952 International L112 - waiting for EV conversion
1967 Camaro - 250 six cyl, 200-4R
1980 K20 4x4 Fleetside - 350 SBC roller Cam, TH350

Offline 1980K20

  • Frequent Member
  • **
  • Posts: 259
  • Newbie
Re: 1980 K20 4x4
« Reply #166 on: July 01, 2022, 12:08:29 AM »
Alright, got my lines crimped and installed.

Got rental ac tools (brand new), gauges and vacuum pump.  Pump only brings gauges to -26 psi, should be closer to -30.  Donít know if itís pump or gauges.  Looking online, -26 has boiling point over 100F, which is too high to evacuate Vapor. But the pump steamed at first like it was pulling moisture out. AnywaysÖ

Discovered that auto parts stores can no longer sell refrigerant in out state.  Can still mail order it.

System pumps to -26. Held overnight, no leaks!

Removed gauges, one valve leaks. Argh, need to replace that hose.  At least I know what Iím doing.


Sent from my iPhone using Tapatalk
--------------------------------------
1952 International L112 - waiting for EV conversion
1967 Camaro - 250 six cyl, 200-4R
1980 K20 4x4 Fleetside - 350 SBC roller Cam, TH350

Offline Shifty

  • Junior Member
  • ***
  • Posts: 579
  • I bleed Bowtie red...
Re: 1980 K20 4x4
« Reply #167 on: July 01, 2022, 09:02:02 AM »
Factory routing the hoses, or "hiding" them a bit?
87 V20 Standard Cab Longbed (current)

87 R30 3+3 Longbed (days of yore)

98 C2500 ext cab longbed

Offline 1980K20

  • Frequent Member
  • **
  • Posts: 259
  • Newbie
Re: 1980 K20 4x4
« Reply #168 on: July 02, 2022, 08:20:49 AM »
I donít like my hose routing. Suggestions?  I hid electrical in the fender. I need better pictures.



Sent from my iPhone using Tapatalk
--------------------------------------
1952 International L112 - waiting for EV conversion
1967 Camaro - 250 six cyl, 200-4R
1980 K20 4x4 Fleetside - 350 SBC roller Cam, TH350

Offline Shifty

  • Junior Member
  • ***
  • Posts: 579
  • I bleed Bowtie red...
Re: 1980 K20 4x4
« Reply #169 on: July 02, 2022, 01:00:42 PM »
Can you follow the discharge line with your suction line, and route them closer to the block at least?
87 V20 Standard Cab Longbed (current)

87 R30 3+3 Longbed (days of yore)

98 C2500 ext cab longbed

Offline 1980K20

  • Frequent Member
  • **
  • Posts: 259
  • Newbie
Re: 1980 K20 4x4
« Reply #170 on: July 02, 2022, 02:13:00 PM »
Can you follow the discharge line with your suction line, and route them closer to the block at least?
Considering my one line valve is defective, and your comments, itís gotten me thinking about good routing. I see on summit reaching I can get bendable aluminum lines. It would be nice to run them along the frame.  Iíll go play, maybe come up with a design.

Thanks,
Mark





Sent from my iPhone using Tapatalk
--------------------------------------
1952 International L112 - waiting for EV conversion
1967 Camaro - 250 six cyl, 200-4R
1980 K20 4x4 Fleetside - 350 SBC roller Cam, TH350

Offline Shifty

  • Junior Member
  • ***
  • Posts: 579
  • I bleed Bowtie red...
Re: 1980 K20 4x4
« Reply #171 on: July 02, 2022, 03:20:17 PM »
Since you're using a Sanden compressor, maybe you can turn it in the mount to point more advantageously. 
87 V20 Standard Cab Longbed (current)

87 R30 3+3 Longbed (days of yore)

98 C2500 ext cab longbed

Offline 1980K20

  • Frequent Member
  • **
  • Posts: 259
  • Newbie
Re: 1980 K20 4x4
« Reply #172 on: July 02, 2022, 11:55:04 PM »
Since you're using a Sanden compressor, maybe you can turn it in the mount to point more advantageously.
I hadnít even noticed that, you can rotate quarter turns!  Doesnít help me unfortunately with the compressor way up over the engine.  Bummer.

Had a good long look at it. Two hoses are too long, thankfully one which needs the fitting replaced.  If I shorten those two up, that helps a lot.  The suction hose is bad angle of the compressor to allow access to the high pressure fitting.  So I can rebuild the high pressure side, put the service port up by the firewall and use a 45 degree at the compressor to get those houses nicely moved around.

I also noticed pressure on the heater hose, can get a long nozzle and take the pressure off the hose.

Will double and triple check before ordering parts.

Mark


Sent from my iPhone using Tapatalk
--------------------------------------
1952 International L112 - waiting for EV conversion
1967 Camaro - 250 six cyl, 200-4R
1980 K20 4x4 Fleetside - 350 SBC roller Cam, TH350

Offline Shifty

  • Junior Member
  • ***
  • Posts: 579
  • I bleed Bowtie red...
Re: 1980 K20 4x4
« Reply #173 on: July 04, 2022, 10:43:46 AM »
Most excellent Mark! 
87 V20 Standard Cab Longbed (current)

87 R30 3+3 Longbed (days of yore)

98 C2500 ext cab longbed

Offline Mike81K10

  • Junior Member
  • ***
  • Posts: 630
Re: 1980 K20 4x4
« Reply #174 on: July 04, 2022, 08:56:03 PM »
Your truck has come a long way and looks nice.

Offline 1980K20

  • Frequent Member
  • **
  • Posts: 259
  • Newbie
Re: 1980 K20 4x4
« Reply #175 on: July 06, 2022, 12:44:39 AM »
Thanks all!  Summit racing rocks, parts on the way.

Mail


Sent from my iPhone using Tapatalk
--------------------------------------
1952 International L112 - waiting for EV conversion
1967 Camaro - 250 six cyl, 200-4R
1980 K20 4x4 Fleetside - 350 SBC roller Cam, TH350

Offline 1980K20

  • Frequent Member
  • **
  • Posts: 259
  • Newbie
Re: 1980 K20 4x4
« Reply #176 on: July 11, 2022, 12:06:19 AM »
In my quest to find a hose, I was introduced to a guy who does house calls for car a/c. Heís a fellow car guy with a lot of interesting toys.

He taught me how to run lines in parallel and line them up nicely with two zip ties.

The truck runs cold air!!  I just need to reattach the lines in the cab. I wonder if the glove box hits them and knocks them off. I thought I had them zip tied.  Need to redo the heater hoses too.

Anyways, big task complete.




Sent from my iPhone using Tapatalk
--------------------------------------
1952 International L112 - waiting for EV conversion
1967 Camaro - 250 six cyl, 200-4R
1980 K20 4x4 Fleetside - 350 SBC roller Cam, TH350

Offline Shifty

  • Junior Member
  • ***
  • Posts: 579
  • I bleed Bowtie red...
Re: 1980 K20 4x4
« Reply #177 on: July 11, 2022, 09:15:56 AM »
Looking good bro!  8)
87 V20 Standard Cab Longbed (current)

87 R30 3+3 Longbed (days of yore)

98 C2500 ext cab longbed

Offline 1980K20

  • Frequent Member
  • **
  • Posts: 259
  • Newbie
Re: 1980 K20 4x4
« Reply #178 on: July 13, 2022, 12:30:07 AM »
Thanks, Shifty!


Sent from my iPhone using Tapatalk
--------------------------------------
1952 International L112 - waiting for EV conversion
1967 Camaro - 250 six cyl, 200-4R
1980 K20 4x4 Fleetside - 350 SBC roller Cam, TH350

Offline VileZambonie

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 18566
Re: 1980 K20 4x4
« Reply #179 on: July 13, 2022, 07:41:38 AM »
I bought an assortment of beadlock fittings, hoses and the crimping tool. Nothing beats being able to make your own hoses the way you want them.
,                           ___ 
                         /  _ _ _\_
              ⌠ĮĮĮĮĮ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10