As far as I can tell almost all variable compressors use an orrofice tube so there are not 2 things trying to control the system. Since 77 there is no POA valve, so no control issues from that. The system has an accumulator on the low side but no receiver drier on the high side, just like factory.
I ...
Search found 4 matches
- Thu Jul 17, 2025 11:00 am
- Forum: Automotive Air Conditioning Forum
- Topic: Series condesnors
- Replies: 4
- Views: 114233
- Thu Jul 17, 2025 5:34 am
- Forum: Automotive Air Conditioning Forum
- Topic: Series condesnors
- Replies: 4
- Views: 114233
Series condesnors
On my 79 DeVille with an LS I'm not getting enough airflow over the stock condenser and it seems like it is not good at getting rid of heat. I'm running a V7 variable compressor and orrofice tube. The system cools great at speed, but high side pressure is still on the high side at 195ish on a 75 deg ...
- Sat Jun 05, 2021 12:24 am
- Forum: Automotive Air Conditioning Forum
- Topic: Dual Evaporator Requirements
- Replies: 14
- Views: 19292
Re: Dual Evaporator Requirements
The R4 compressor is great for your application. It is one of the biggest compressors ever built for cars. I would T the high pressure liquid line and run one orifice tube per evap.
- Fri Jun 04, 2021 11:30 am
- Forum: Automotive Air Conditioning Forum
- Topic: Oldsmobile Omega A/C retrofit with evap before blower motor
- Replies: 0
- Views: 34325
Oldsmobile Omega A/C retrofit with evap before blower motor
I'm looking to retrofit my 1980 Oldsmobile Omega with A/C. I bought a complete system from an 80's square body. The compressor, condenser and hoses will fit fine. The big problem is the evap core. The only way I can integrate it into the original system is by putting it in front of the intake to the ...