[fujii13]

here's the online article. it's all speculation:
http://superstreetonline.com/feature...0505_topsecret

Early speculation, pontification, and downright guesstimation predict that the powerplant will be anything from a turbo'd 3.0-, 3.2-, or 3.5L variant of the VQ-series V-6 to either an NA or a turbo VK45 V-8.