Me and a mate of mine sucessfully got the A/C working on a ZH for a customer, second hand hoses, second hand compressor (crappy original york one) new TX valve, New dryer and new oilrings all around. Was going to use Minus 30 gas but ended up using R134a (850grams) and worked awesome, ice cold. Replaced a few cut/damaged vacumm lines on the a/c box and everything works. Can't wait to do the same on mine, but will use Minus 30 gas so should see even better results! Just goes to show that factory a/c can work sensational.
