"Thanks. That raises a question. If I go to the trouble of narrowing the cars, will they look worse because of the oversize trucks? I can't do much about them."
Alex,
Just use scale width trucks. Accurail trucks are within an inch or two of exact scale width, and while I haven't checked, I believe Tahoe trucks are also.
I put a paper in the files section a number of years ago that will take some of the mystery out of truck width:
