It all started in 1966. Nissan introduced the L20, its first L-Series design that came in a two-liter, straight-six format, in the Nissan Cedric. It was okay, but not great. By the next year, Nissan’s engineers started working on a brand-new design, with the lessons learned from the rushed L20 project. This new family of straight-four and six-cylinder engines would go on to power literally millions of vehicles for more than two decades.
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