Any AC Techs

I changed over my RV-2 compressor to r134 along with the rest of the system.
I charged it yesterday and have high readings on the gauges. Low side is 50 and the high side is 250 at idle. I only put 24 ounces of refridgerant in it and it calls for 42 onnces of r12. I'm way below the 85% recomended amount.
At idle the vent temp was 55 degress, ambiant temp was 93 with 87% humidity, and driving the car it came down to 48 degress.
Should I quit here and call it good, or is there more to be had?