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Active Fuel Management (formerly known as displacement on demand (DoD)) is a trademarked name for the automobile variable displacement technology from General Motors.It allows a V6 or V8 engine to "turn off" half of the cylinders under light-load conditions to improve fuel economy.
This Cadillac would essentially have had two 3.6L High Feature V6s attached crankshaft-to-crankshaft and would have featured high-end technologies including direct injection and cylinder deactivation. If this engine were developed, it would have displaced 7.2 liters, and produced approximately 600 hp (447 kW; 608 PS) and 540 lb⋅ft (732 N⋅m ...
However, the L76 does feature Active fuel management (AFM). While the displacement on demand technology was disabled on Holdens, this feature is enabled on the 2008 Pontiac G8 GT and subsequently refitted in the 2009 model Holdens with AFM enabled, but only on models fitted with the 6L80 Automatic Transmission.
The Calais and Calais V are both available with the 3.6-litre V6 engine used in the SV6, and the 6.0-litre V8 engine is optional on Calais V with active fuel management AFM or DoD, running on four cylinders during low load conditions (6.2-litre V8 engine in VF II) used in the SS, SS V and SS V Redline.
6.2L fitted to a 1987 HMMWV. The original 6.2 L (379 cu in) diesel V8 was introduced in 1982 for the Chevrolet C/K and was produced until 1993. The 6.2L diesel emerged as a high-fuel-economy alternative to the V8 gasoline engine lineup, and achieved better mileage than Chevrolet's 4.3L V6 gasoline engine of the 1980s, at a time when the market was focused on power rather than efficiency.
The 6.2 L (379 cu in) V8 is the main variant of the Boss engine. The V8 shares design similarities with the Modular Engine family such as a deep-skirt block with cross-bolted main caps, crankshaft-driven gerotor oil pump, overhead cam valve train arrangement, and bellhousing bolt pattern.
The 400 was made in 4-bolt main journal from 1970 to 1972 and in 2-bolt main journal from 1973 to 1979. The 400 can have either 2 or 3 frost-plugs per side though all 400 blocks have the provisions for a 3rd frost-plug on each side. The 400 was rated at 245–265 hp (183–198 kW) gross (150–180 hp (112–134 kW) SAE net) through its life ...
The GMT900 is a General Motors full-size pickup and SUV platform used from the 2007 to 2014 model years.The platform was introduced at the 2006 North American International Auto Show, as the replacement for the GMT800 platform.