Flatirons Tuning Tech Tips – Information you need if you are considering a JDM Engine Swap It is pretty common for us to get questions about directly swapping a Japanese Market engine (JDM) into a US market car (USDM). And it would be great if it was as simple as it seems like it should be to just install the engine and move on down the road. Unfortunately it isn’t necessarily. If you are considering doing this swap, there are some things that you need to know so that you can make a good decision about going down this path. [More]