How about a video? Check out this video of the Renault F1 engine on a dyno. If you’re quick, you can see fuel being sprayed directly into the top of the intake trumpets.
http://www.renaultf1.com/en/car/engine/index.php?news=tcm:3-33057
(If you get lost on the Renault F1 site, just put “dyno video” into the search box.)