Have you bought the vehicle already or looking into buying?
Theyre wicked little rigs. Ill never sell mine. I love it. However the time and money ive put into it (engine and tranny swap, suspension retrofit, guages.....) to get it how I wanted is a LOT.
As any cruiser head will tell you, you dont just drive a cruiser. It becomes a priority and a incurable addiction.
That said.. the lj 78 does have its own set of issues. Like others have said do a search and youll find lots of info.
The 2lte can live if taken care of, even perform well if modded correctly.
It is pretty underpowered, but gets pretty decent fuel mileage for its size.
Ive owned mine for 3+ years and I never once had the urge to sell. Even when the head gasket popped, turbo died, I blew a transmission line, and the thing was overheating like crazy. I saw the diamond it is and made it work for me.