#AMADEUS PRO 2.4 MAGESY FOR MAC#
On the dashboard, an 'MPG Sentinel' digital display could show the number of cylinders in operation, average or current fuel consumption (in miles per gallon), or estimated range based on the amount of fuel remaining in the tank and the average mileage since the last reset.Download Free Amadeus Pro for Mac on Mac Torrent Download. Simultaneously, the engine control module would reduce the amount of fuel metered through the TBI unit. With the valves closed the cylinders acted as air-springs, which both eliminated the feel of 'missing' and kept the cylinders warm for instant combustion upon reactivation. These engines are easily identified by their rocker covers, which each have elevated sections over 2 cylinders with electrical connectors on top. When deactivated, solenoids mounted to those cylinders' rocker arm studs would disengage the fulcrums, allowing the rockers to 'float' and leave the valves closed despite the continued action of the pushrods. The L61 had not provided a significant improvement in the company's CAFE numbers, so Cadillac and Eaton Corporation devised a cylinder deactivation system called Modulated Displacement that would shut off two or four cylinders in low-load conditions such as highway cruising, then reactivate them when more power was needed. Yearįor 1981 Cadillac introduced a new engine that would become notorious for its unreliable electronics, the V8-6-4 ( L62). However, a new Bendixelectronic fuel injection system was offered as an option, and it increased power output to 215 hp (160 kW).The 500 was exclusive to the Eldorado until 1975 where the powerplant was standard in all Cadillacs except for the Seville, which was powered by a fuel-injected Oldsmobile 350. By 1976, its final year, it had fallen to 190 hp (142 kW).
For 1971 compression was reduced from 10.0:1 to 8.5:1, the lowered compression ratio dropped the 500's gross output from 400 bhp (298 kW) to 365 bhp (272 kW), or 235 hp (175 kW) in the new SAE net ratings. At its introduction it was rated at 400 hp (298 kW), SAE gross, and 550 lb⋅ft (746 N⋅m) of torque. 3 Cadillac fitted a crankshaft with a 4.304 in (109.3 mm) stroke, increasing total displacement on the engine to 500.02 cu in (8.2 L). Many early racers would replace the Cadillac hydraulic lifter and rocker assemblies with the solid lifters and adjustable rockers from the Studebaker v8 for operation at higher rpm. Shared with the Oldsmobile Rocket V8 is how the lifters are supplied oil through small 'bleeds' instead of placing the lifters directly into the right and left side oil supply galleries.
A single drilled passage per bearing saddle feeds both cam and crank journals. 1955 331 engines went to a lighter 'flat back' that bolted to a clutch and flywheel housing at the front of the transmission.This engine features an oiling system which uses a central cast-in passage between the lifter galleries feeding oil to the cam and crank by grooves machined into the cam bores. It has the lighter 'skirtless' block where the oil pan flange does not descend appreciably below the crankshaft centerline and they both have a partial integral cast iron clutch housing that compares to the early Chrysler Hemi V8 design. Crankshaft end play is carried by the rear bearing on the two GM engines. The Cadillac 331 engine featured a 'dry' (coolant exited through an assembly attached directly to the cylinder heads), open runner (requiring the use of a tappet valve cover) intake manifold, rear-mounted distributor, and shaft-mounted rockers. For 1949, Cadillac and Oldsmobile each produced a new V8 design (the Oldsmobile engine was the 303).Both of the engines were Overhead valve designs.
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