The LP9 is a 2.8 L turbocharged version used for the Saab 9-3, Saab 9-5 and other GM vehicles. This engine is also known as a A28NET, Z28NET, Z28NEL or B284. It has a 89 mm × 74.8 mm (3.50 in × 2.94 in) bore and stroke, sequential multi-port fuel injection and a 10.0:1 compression ratio. It was also used on the Chinese 2008 CTS. Holden had the job of developing smaller engines (Holden 3.2, LP1 and Saab 2.8, LP9 Turbo) as well as their own Holden 3.6 and 3.0 HFV6 (called the Alloytec V6) for local models.Ĭadillac and Holden both tested variations of these engines in the United States and Australia.Ī 2.8 L (2,792 cc) LP1 variant was introduced in the 2005 Cadillac CTS. A majority of designs into the new alloy construction, transmission pairing and first use in production were all undertaken in Detroit (and manufactured in St. The HFV6 was designed, tested and produced in a joint program by Holden and Cadillac. GM's Australian auto division Holden produced a HFV6 engine under the name "Alloytec".
It was developed by the same international team responsible for the Ecotec, including the Opel engineers responsible for the 54° V6, with involvement with design and development engineering from Ricardo plc. Other features include piston oil-jet capability, forged and fillet rolled crankshaft, sinter forged connecting rods, a variable-length intake manifold, twin knock control sensors and coil-on-plug ignition. Most versions feature continuously variable cam phasing on both intake and exhaust valves and electronic throttle control. It is a 60° 24-valve design with aluminum block and heads and sequential multi-port fuel injection.
#232 psi to bar series
The series was introduced in 2004 with the Cadillac CTS and the Holden Commodore (VZ). The GM High Feature engine (also known as the HFV6, and including the 3600 LY7 and derivative LP1) is a family of modern DOHC V6 engines produced by General Motors.
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