I have a Mazda hatch 2001 sp20 that has done 291km I love the car but the valve stem seals are shot. Is it worth doing them for around $600 and then maybe the rest of the motor might not be good. Was wondering what it would be worth to change motors ??? Or do I trade it in and get nothing for it because of high km. I'm in sa any advise would be appreciated.......cheers
