I need an engine and it seems that everywhere I've looked they either don't list a 1999 or shows to be unavailable. What's the difference, anybody know? Thanks

 

Wow: I am surprised no one responded! IMO these motors are in good supply-either as cores,or as nicely rebuilt from several sources. Be prepared to pay however! It may be time to consider an upgrade to a small-block V8 or a down-grade to a built 4 cyl (2.0) Which will give adequate daily performance-iron-like durabilty and will cost less to run.
Gas is $3.70 today-Give it a thought!