Uuugh, I can't agree... I've got the same sort of deal, (check my post about high idle) with a massive 1" PVC-T and it still takes a deal of time... the best solution that I've seen is going with the high out/low inlet res tube or rectangle. The air almost immediately leaves the water and with your and my current similar setups, the velocity of the water still pulls LOTS of air into the system, but it sure does make for easy filling!
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XP 1600+ AGOIA-Y (GreenLabel, UNLOCKED!@/ NF7-S 2.0/ PC 2700 DDR
10.5*172FSB(1806/ 1991 high), Vcore 1.792...@84.95Watts
--86' Chevette Heater Core
--1/2" Vinyl tubes
--Via1300-Stealth Mod(QUIET!) 
---Home made copper-tube block
---PVC small internal res
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