15 minutes to a clean engine but you have to have guts to detail your engine with this method. Especially good to do with Japanese cars. This video takes you through the steps to doing the fastest but most dangerous way to detail your engine. A bit of foil, degreaser and some quarters and you are good to go. The carwash is the easiest place to do the detail. Trim Shine by Stoner is the dressing that makes all the difference.
https://www.youtube.com/watch?v=pBVnA8z2Dwg