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The coil-in-cap HEI distributor was retired, and an all-new electronic distributor design was used. The intake manifold to head bolt pattern was redesigned to improve gasket integrity—four of the center intake manifold bolts were drilled at 72° instead of 90° for the cast iron cylinder heads. Changes to the valve covers were also made.
Internal engine upgrades included nodular iron main bearing caps, graphite composite head gaskets with stainless steel flanges, and hypereutectic pistons which lowered the engine compression to 8.35:1. [8] A unique intake manifold that used the 48 mm (1.9 in) twin-bore throttle body from the 5.7L TPI Corvette engine was used on the engine's top ...
The LB6 ("W-code") 2.8 L (2,837 cc) engine was introduced in 1985 to replace the original LE2. It used multiport fuel injection and produced 130 hp (97 kW) at 4500 rpm and 160 lb⋅ft (217 N⋅m) off torque at 3600 rpm. Applications: 1985 Buick Skylark; 1985–1986 Cadillac Cimarron; 1985–1989 Chevrolet Cavalier; 1985–1986 Chevrolet Celebrity
This is a list of auto parts, which are manufactured components of automobiles.This list reflects both fossil-fueled cars (using internal combustion engines) and electric vehicles; the list is not exhaustive.
The upper and lower intake manifold is now aluminum on the naturally aspirated models. Intake ports are mildy enlarged; 1.83 in (46.5 mm) intake valves (instead of 1.8 in (45.7 mm) as on Series II) and 1.52 in (38.6 mm) exhaust valves were introduced in 2003 engines, just before switching to Series III.
The Oldsmobile Diesel engine is a series of V6 and V8 diesel engines produced by General Motors from 1978 to 1985. Their design was based on the Olds 350 gasoline engine architecture.