To all sifus out there, need help from u guys to make sure am i being cheated or not.
This scenario happened to me when 1 day i brought my car to one reputable shop for some upgrading and modification, since my old engine had too many leak already.

Im using B16A eg9 vtec engine with high cam (dunno what this cam is got from fren engine can never idle properly even after send to 2-3 reputable workshop for idle setting).
He quoted me with for changing to b20block rm4k change gearbox...