Harley-Davidson has filed a patent application for a variable valve timing (VVT) V-twin engine, possibly for the Sportster to improve economy and reduce emissions. The iconic American manufacturer has ...
Indian Motorcycle is not only building a new engine, but also seems to be updating its current Thunderstroke 111 with variable valve timing or VVT. Last month, images surfaced of a heavily disguised ...
About two months after it said it would release new CVO versions for the Street Glide and Road Glide motorcycles, Harley-Davidson did just that. The wealth of details about what's new on the two rides ...
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 look at the valvtrain from a 2009 Audi 2.0L I4 Turbo engine to check out the ...
Coming from a big Italian family, Anthony relishes in being the black sheep as the only adrenaline junkie. Even though he has gone bungee-jumping, rock-climbing, cliff diving, fought in mixed martial ...
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