IMO two strands is not enough Howard. Before you give up on it, I would add an additional 6 strands per connection (8 strands each) of the same silver wire and see if it makes a difference. I have wires constructed that way and they are wonderful and have been my preference in every wire shootout I've tried with them. Unfortunately they too are quite short. I don't know where you are getting your silver wire, or for how much, but you can find it at Homegrown in bulk for $1.85 a foot for 22 awg 100+ feet. If you already have six foot double lengths you'll need a total of 144 feet more, or about $300+. If you are skeptical order half and try it out on one wire as a comparison, or try six strands rather than eight. Either way should yield a marked improvement. They also sell a braided version of a thinner gauge wire, but I think it's cheaper to run straight wires with zip ties. My experience has been that silver wires do indeed seem to take a long time to burn in. You may want to give your two-wire deal more time, but I still think it would be bested by what I'm suggesting.
Congrats on the new Khorns!
Marco
Congrats on the new Khorns!
Marco