134a what size orifice

[hatzie]

Originally Posted by Hart_Rod

Gotcha. I talked to a local Hotrodder than runs an AC shop. He recommended the white one, so that's what I used when I did the LT swap in my 84 (Sanden compressor/134A). So far, it cools great with no issues. Hatzie - what symptoms should I look out for that might suggest that I switch to the blue one?

Higher vent temps when you're in traffic with the engine idling or near idling.
If your set up is working I'd stick with it.