Okay - after calling my local guys - C&S, Pegasus, et al, I was unable to get a new tach, so I went with the mail-order guys in Ohio. Always prefer putting faces with products, but along with the tach, they included a free voltage gauge.
I was thinking they must be high, but then I thought of their name and realized - yes, they are.
I don't have room for it in the dash, but I suspect I can wire it up in the trunk by the battery and it might prove helpful letting me know when it's time to recharge. Turn everything on, have someone crank the starter, see how far it drops. An ammeter would be a better bet, but they didn't offer me a free one.
Tires are on, the air bags are pumped up - 9:00 AM Wednesday, I'll be dropping it off for alignment. Eric thinks he's going to get it on the elevated rack. As low as it's sitting, I need to jack up the tongue of the trailer to clear the exhaust on the ramps. And seeing as it won't launch below 6 K and it has no brakes on the front, well, I'm thinking he's going to be pulling out his old-school 1950's vintage Bear toys.