The L99 joined GM’s engine lineup in 2010 as part of the fourth generation of the company’s Small Block V8 engine family. It features eight cylinders in a ‘V’ configuration that sums up a displacement of 6.2 liters and produces a total output of 400 hp and 410 lb-ft of torque. The 6.2-liter V8 shares its roots with the well-regarded LS3 engine found in the C6 Corvette, but was marginally dialed down by GM engineers to achieve better fuel
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