i think i need to rebuild my engine if i were to upgrade my engine how much and wut i need to do so i dont have to rebuild it again??? fro expample 3 mm apex seals, cermaic housing, and radiator and etc??? how much you guys think it will cost m e

 

10,000 for the motor and labor and another 15,000 for the support goodies to get the most out of it. Now do your own homework and stop trying to cheat! Your homework assignment is to read both of these websites front to back. Then come back and ask your next question.
http://www.scuderiaciriani.com/rx7/index.html
http://www.rx7turboturbo.com/robrobinette/