Gear drive dry sump pump

Anyone have experience or insight into Missile drys sump pumps? Popular Hot Rodding is showing one on their latest road race hemi project. Looks like a great idea /ubbthreads/images/graemlins/cool.gif but not sure how it works...also looks like it is mounted on a fuel pump pad. It's on the far right of the second to last row of images at the link below.
http://popularhotrodding.com/tech/0505phr_hemi/
 
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