I have a set of Manik Grill guards for sale. The grill guards were taken off my 1998 4Runner to be painted but I like the look of it better without it. The condition of the sets you see in photos are okay. There is visible rust on it. These can be re-finished and sold for more money!
I want...
Your gonna run into serious modifications like the tranny, driveshaft, and etc. All of that could end up to the cost of a 4th gen 4.7L V8 4Runner.
EDIT: Have you checked this out yet? A guy on this forum swapped his V6 for a V8. http://www.toyota-4runner.org/3rd-gen-t4rs/94282-v8-conversion.html