12 years car, 170k km, now oil leaking, fixed twice still cannot.

Should i change engine? where to find young engine?

i have no idea, i have changed all kind of seal (flying moon,o ring, bla bla bla) but still leaking, cant determine which part.

any good workshop to introduce?

or any place can find good engine with reasonable price?

kelisa is so much fun to drive and i want to maintain it as antique car.. lol