Yes it is the same pump as before. Same swap, the only diference is that ford found that the popping gears isue was because of wobling/flexing of the back plate which in caused the gear to wobble as well. They put a billet steel back plate. and eliminated the wobble. It sells for $50 bucks. If ford is spinning the gt500 over 7k with that much stroke it will be cake on a 3v.
March 2012, 5.0 Mustang and Super Fords
"There is no differentiating a 5.4 from a 5.8 oil pump because both pumps are identical except for their back plates. all internal gears, their swept volume, the front casting, internal passages and so on are identical, even though the 5.8 has a definite need for more oil flow than the 5.4.
Testing showed the 5.4's oil pump back plate deforms under heavy load, costing a reduction in oil flow. The simple cure was to replace the stamped rear cover with this billet -steel plate, and viola, no more deformation. Both flow and pressure are increased sufficiently to keep up with the increased demand of the piston oil squirters. The 5.8 oil pump bypass valve is set for 90 psi."