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• GM cancels new DOHC V8 engine program

  Filed under: Trends , GM The Northstar V8 has been a great engine for General Motors, but there's no denying that it's past its prime. GM had been working on an engine program to replace the Northstar with a new high-tech DOHC V8 for its luxury cars, but revealed today that the program's been cancelled. It's kind of easy to see why, as the General's 3.6L direct-inject V6 offers V8-like horsepower with less weight and better fuel economy. In fact, we bet more people choose the 3.6L DI V6 when ordering a Cadillac STS than the 4.6L Northstar V8 since the former is only down 14 horsepower on the latter (320 vs 306). Wouldn't you? And when an honest-to-goodness V8 is really needed, say in a performance model like the CTS-V, GM's got plenty of Corvette engines from which to choose that get exemplary fuel economy on the highway. And that's really what all this is about: looking ahead to the day when a 35 mpg CAFE standard has to be met. Gone will be the days when... Posted Jan 03 2008, 06:25 AM by Autoblog Filed under: GM, breaking, general motors, GeneralMotors, Trends, V8EngineProgram, GmCancelV8, GmCancelEngine, DohcV8Cancelled, gm cancel engine, gm cancel v8, GmEngineProgramCancelled, v8 engine program, gm engine program cancelled, dohc v8 cancelled