Put on the AC manifold and has numbers like 35/210. Meager output. The refill kit suggested 42-47 at 82F so I put in 40psi.
I was able to get vent temp below 60 and more importantly air kept flowing.
We drove about 40 minutes directly into the sun and AC was having a hard time keeping up but was blowing cool air the whole time.
I brought my manifold kit with. Now the ambient was 90+ (dash outside temp 100-101°F) and refill gauge ambient offset suggested 45#.
I added enough to get just about 45# low and was able to get vent temps in the low 50s.
On the way home driving with back to the sun and on auto but recirculating air was able to measure cabin temp of 73F by stick shift (out of air stream) with control set at 72/70 (always warmer on passenger side).
Vent temp with ambient of 88°F was below 40F in center and 44°F on the right window vent.
Now I just have to do mine.
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