Ive been looking for a good how to on cleaning my engine bay. I saw the thread started on here with the guy who did his Mach but wondered if someone could go into more detail. Like where to spray or places to stay away from when spraying. Also if you have aluminum or polished pieces under you hood, should you still spray them or if you do will they have water stains left in them. Then is there a certain way to clean the stuff off, like with a regular towel or microfiber or doesnt it matter? Ive always wanted to be able to detail my engine but never know how or where to start so sorry if i sound dumb, im a super newb at detailing the engine bay.