For better MUCH subcooling and smaller heat losses. And i like my PEV to be close to the evaporator.
My old evap assembly is exacly the same:
http://www.teampuss.com/berkut/nextg...assembly/2.jpg
http://www.teampuss.com/berkut/nextg...assembly/3.jpg
Thanks to this i can get really wild results when im in vacuums and the low pressure teritory. And thats why my cascade powns Tyrou's cascade ;) If i only had ethylene...