I might have to try that block leak tester just for F**ks and Giggles.
Anyone wanna guess my problem?
-Overheating (sporatic for over 1.5 years after complete Cooling system overhaul)
-trace coolant in oil
-Air pockets show up in coolant
-Burning coolant smell in engine bay which eventually comes into cabin with windows open.
-Small amounts of gray smoke on startup.

Anyone care to take a guess? I think I'll be using this DIY in a few weeks.
