If you choose to buy cheap Chinese knock offs then you must accept the penalties that are associated with them. Today you can buy a knock off of ANYTHING "made in China". That's because they have to adhere to absolutely zero laws! Some of this stuff is OK and does work, but that doesn't mean that as a consumer I should buy it. My friends are constantly telling me that they paid half as much for their engines and have the same performance. I don't buy it, pardon the pun! I have a 3W engine that is 22 years old and pulls like a war horse! It has never been opened for anything, lets see where your DLE, DL, EME, POS, is in just a few years.