Like we said, we are professionals in finding quality used engines. We’ve a huge selection of engine suppliers inside our networks and we’ve an excellent system for quality control and accountability. In the time it requires a mechanic to contact two or three of his buddies, we can get you estimates on multiple engines from a large number of suppliers and manufacturers. Once we get you a great engine at a great price, we can ship it straight to your mechanic’s garage by freight. It’s a win-win situation-you get a better price on a much better engine and the mechanic doesn’t have to waste his period playing telephone tag with junkyards. But of course, you can give us a call directly and save a lot more money.
Either way, you’re likely to pay a huge sum on a brand new car or dispose of money on the markup upon a used engine that originates from who knows where.
Alternately, your mechanic may provide to discover a used engine to set up your car. Again, you will have a large markup on the price tag on this part-and you may or may not have any state in where he gets the engine from and also less knowledge about the quality of the engine and the reputation of the auto recycler or junkyard that sourced the engine. Many mechanics have relationships with one or two auto yards where they get their parts and the perform little comparison shopping on your behalf, which can be understandable-they’d rather maintain the garage than on the telephone all day.
Driveline Motor Another option that your mechanic might recommend can be an in-house engine. If indeed they provide a good price and so are a devoted engine shop, this might be a good choice. But in our experience, we’ve found that only a small number of shops that perform engines genuinely have what it requires to accomplish 
a quality job.
Generally, they’ll source it to another repair shop. So when that occurs, you’ll be billed a significant markup, not forgetting the hassle of having to go through two parties in order to get status improvements and estimates on your repair.