Originally Posted by wphamilton

Nobody liked my idea of lubing half the chain with one lube, and the other half with the other one, so I abandoned that one. Everyone was worried about cross-contamination of the oils

However, a C&V mechanic type like yourself could rig up a fixed gear bike with chainring, cog and chain on both sides for an A-B test. Try a different lube on each chain, so you'd be comparing the lubes in exactly the same conditions.