General Motors

General Motors Corp.'s Cadillac division unveils a wholesale reworking of its signature engine, the Northstar, as engineers prepare the V-8 to power two all-new models. The Northstar V-8 retains its 4.6L displacement, 90-degree layout and DOHC architecture but is heavily revised to fit longitudinally and drive the rear wheels or all wheels in two '04 Cadillacs, the XLR roadster and SRX cross/utility

byBill Visnic