Way back in 1981, Cadillac, reacting to the same pressure to maximize fuel economy automakers face today, came up with America's first mass-produced, variable-displacement, gasoline, V8 engine. Known ...
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Which GM engines skip AFM?
General Motors’ Active Fuel Management system has been around long enough to earn both fans and vocal critics, and that split has created a simple but urgent question for buyers: which GM engines ...
AFM is Active Fuel Management which used a solenoid to deactivate the lifters on select cylinders of the engine. Yours has standard lifters so no AFM. Get our GM news straight to your inbox. We'll ...
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