1993 Cadillac Eldorado Owner's Manual - Page 352

4.9 LITER ENGINE ... . I A The 4.9 Liter transverse engine is an overhead valve, 90 degree V-8 design. The cylinder bore diameter and the piston stroke provide a piston displacement of 4.9 liters (300 cubic inches). This engineutilizes an aluminum crankcase with a separate aluminum lifter carrier and removable cast iron cylinder liners. The cylinder heads are made of cast iron and feature integral valve seats and guides. The cast nodular iron crankshaftis supported atfive main bearing journals by cast iron main bearing caps and shell type steel-backed aluminum inserts. The center main bearing is the thrust bearing. 335