On Thu, 11 Sep 2014 15:41:45 -0400, wrote:

It goes in the tank of my boat as fast as I can pour it out of a
vented 5 gal can.
I guess I will have to actually time it if this is that important to
you. Maybe shoot it on a video for you.

Since this link came up, check the 7/8" spout. A high-flow spout for
boats, bobcats or wave runners ... and stuff

Notice the red can used on the boat dock ;-\

http://ezpourspout.com/ez-pour-products/all-products/hi-flow-spout/