erm, isn't this an ice thread? btw, afaik proton 4g series engine is very durable tat's y the engine cna be use until now....as i know it's a >20 years old technology....and it still works good.tat prove the durability of the engine..for some problem on those car, i think it's how u use the car.....if it is well maintain, i dun think there wil be any prob....