Port and polish the cylinder head. Match the intake runners with the cylinder head. There are all kind of little time consuming but cheap things to do. Custom paint or powdercoating would look great. Check out 4bangers website and see what you can find they spend all their energy on squeezing more HP out the 2.5s.
89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff.
AF Jeep Club Tail Number 184