The power rating of the Cat C7 for 2004 was/is 330 hp. The same C7 for 2005 was rated at 350 hp. The difference was a reflash of the Electronic Control Module (ECM) on the engine. Both years' engines were rated at 860 lb/ft of torque.
2004 Journey 39W/330 Cat
2013 MINI Cooper S Hatchback
Golden, the early 2004s came with 330hp, ours was ordered in Jan '04 and at that time Winn started the 350hp run and options like the Smart wheel. When I was going to order our '04 I called the factory to make sure I was going to get the chassis I wanted. So '04s did come with 350hp, I have one.