A class action lawsuit filed against GM over alleged faulty lifters in certain V8 engines has still not received class action ...
Things just keep stalling, making plaintiffs and lawyers give up after years of waiting. General Motors isn't complaining.
Engineering Explained on MSN
Variable valve lift vs variable valve timing - VVL vs VVT
What is VVL? What is VVT? How does VVL/VVT work? What is variable valve lift? What is variable valve timing? We're going to ...
CarBuzz on MSN
Valve lash: What it is and why it matters
A small gap with big importance in the performance and health of an engine - here's everything you need to know.
Manufacturers like to use a lot of acronyms on their cars. Variable valve lift (VVL) and variable valve timing (VVT) are two of the most popular ones. These systems sound pretty similar, but what do ...
General Motors has issued a service update for 2021 model year full-size truck and SUV models that are being shipped to dealerships and may be affected by valve lifter problems. The hazards: this ...
General Motors's Active Fuel Management (AFM) technology utilizes hydraulic valves, solenoids, and advanced software to shut down half of the cylinders in a V8 or V6 engine to save fuel. The system ...
QUESTIONI'm in the process of transplanting an L77 from a 2012 Caprice 9C1 PPV [police pursuit vehicle] along with its 6L80E [six-speed, longitudinally mounted electronic automatic overdrive ...
March 30, 2007 Over the last century of automobile development, we have seen an enormous range of valve actuation technologies, ranging from pushrod, through single then double overhead camshafts, ...
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