Just set up the Z4000 transformer! Have my MTH gold Millennium set on the outer loop, and the MTH Ives Circus set (most of it) and one National Limited PULLMAN car on the inner loop.
WOOHOOCHOOCHOO, they WORK!!!
After waiting SEVEN months to get my Millennium engine back- I am AT LAST one happy (but still somewhat nervous, and still a bit emotional that something may or will go wrong) train girl!
Stopping now to be able to oil and lubricate both engines and all the cars this evening.
Two beauties: