If this guy is running a business, he was just looking at you like a fool. I would spread the word after you get it fixed, because he has probably done this to others. He’s either a crook or at best an extremely poor DYI. Like Scrub said we need more info. Along with the engine numbers, paint us a better picture of what is happening. Remember we are not standing next to you so you must be our eyes and ears. Be as accurate as you can, nothing is to small.