Top 20 Cleanest Engines of SEMA 2013 Performance is a must and looks are a plus when it comes to building SEMA-worthy whips. Car Photos, SEMA • November 8th, 2013 by Rey Fries Leave a Reply Click here to cancel reply. Name (required) Mail (required) (will not be published) Website XHTML: You can use these tags: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>