They didn't have a 38' in 2000. Two models were 37' 9".
They were called 37'
Attached is a Flyer with spec & info on a 2000 D.
They had 2 ISB engines that year. A 275 & a 300 HP
Both were 660 ft lb torque
NADA Average Retail is 38K Low 32K
Running hot for them was caused by not extending the slobber tube and not cleaning the CAC/Rad. Which is easy to do.
If you get it, check out the Discovery Owners
where you can get a lot of support.