> there’s a reason many engines are simply replaced when they encounter some kind of major malfunction. Only a catastrophic failure[1] results in an engine re

> there’s a reason many engines are simply replaced when they encounter some kind of major malfunction. Only a catastrophic failure[1] results in an engine replacement. For the p99 of car owners out there (especially in rust-prone areas), the engine will outlast the body by a large margin. [1] And for some types of catastrophic failure, such as overheating damage, it's still cheaper to replace the head only.