There’s nothing a car owner fears more than a totalled engine. The thought of replacement sends shivers down anyone’s spine, because they know it will cost them a small fortune. While engine rebuilds are considered complicated (and therefore more expensive) procedure, they’re a lot more common than one might think. Investing on timely engine overhauls can help your car perform better and live longer on the road.   Find out whether it’s time to rebuild your engine with the tips below.   You Hear A Knocking Sound From Under The Hood When you hear a knocking sound coming from your engine that gets progressively louder as you rev up your car, you’re most likely dealing with an engine that’s near the end of it’s service