I put new Rotors on the montero before I started to use it and drove more then 40K on them. With a good deal of heavy hulling and using a trailer as well. The big key is don't get cheap rotors!!! With that said the new 97 montero brakes feel so much better then the 1gens.

1997 Montero LS with a motor swap a 1990 V6 12valve ported heads full 2.5in Ex I run stock tire size for Daily use, off road have 33x12.5 working on going trubo.