I think the pump rate is like 50 gpm. You don't have to crank on it for very long, and I never suggested that anyone crank their engine for longer than a few seconds. He can start it if he wants, but at 50 gpm, fluid will be everywhere. By using the starter- it is controlled.
LOL it's been so long that I forgot that he didn't take my advice not to start the engine. Here's the article FocusRun wrote.
How to change ATX Fluid and filter
It's fairly informative- and yes, use a plastic putty knife available at any parts store for less than $1. Ye old block o' wood and a hammer works good to get it started off there too.