By the end of this article you will be a LS Engine Junkyard specialist. With a large supply available, low cost, and improved horsepower, fuel mileage, and efficiency over the ever-popular original small-block engine, they are a very attractive power-plant. But with so many versions to choose from, which one should you get? Below is a great article by Bobby Kimbrogh that we find very useful and helpful. Check it out!