1993 Cadillac Seville Owner's Manual - Page 350

SPECIFICATIONS 4.6L 32 Valve (DOHC) Northstar Engine The engine is a 4.6 liter (279 cu.in.) 90' V-8featuring Dual Overhead Cam (DOHC), 32 valve, and sequential port fuel injection. This design results in a powerful, refined engine which is wellsuited to even the most demanding driving conditions. Engine weight is minimized by the use of low mass alloymaterials. The crankcase, cylinder heads andoil pan are made from cast aluminum. The induction system housing, cam covers and oil filter adapter arecast magnesium. The reduced engine mass enhances vehicle handling and responsiveness. 336