Green Machines
Fuel-Efficient Vehicles, Union-Made In The U.S.A.
 
NORTHSTAR V-8
GM Northstar Assembly
UAW Local 182, Membership 2,500
Livonia, Michigan
 
GM's Northstar Engine with VVT
 
Technology: Variable Valve Timing (VVT)
Fuel Economy Improvement: 4-8%

GM has reworked its traditional V-8 engine to have VVT, which insures maximized performance and fuel economy and minimized emissions. The engine appears in the Cadillac SRX and XLR.

GM has invested heavily to install new tooling and machining for the engine at the Northstar Assembly Plant in Livonia. There are all-new engine-assembly and cylinder-head subassembly lines, improved machining capabilities, and upgrades of error-proofing and cold-test processes. Production began in 2003.

Source: General Motors Corporation

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