I'll certainly check out the 5.9 goodies you have for sale.
We completed our 3 day journey about 3 hours ago. 2,000 miles and 28 hours in the 5.9. We averaged 17MPG even though we broke 90MPH a couple of times. Our family still owns the 94 ZJ we had when I was growing up and we use it as a daily driver, so the 5.9 was always something we wanted the second we saw it back in the day. This past Friday was the 1st time I've ever got to drive or ride in one, and this one still impressive even after I've driven my SRT8 WK.
On a side note, not sure I would recommend driving an older car like this across the country without having a full inspection performed before you begin. As I mentioned in my 2nd post the tires were suspect, and we found what you see in the photo below when my brother pulled the front right wheel off. Everything else on the car is pristine. The underbody looks brand new.