Please I need help,my car started developing over heating fault,due to long time abandonment thou no visible leakage but water keeps disappearing, engine stopped while driving and couldn't start again, my mechanic said the engine has knocked and suggested buying half engine and top
I need to know the prices and chances of the half engine performing good

... but buying half engine and top is as good as buying the whole engine nah, why not God ahead and buy it once and for all??