I think that must be a misprint, or they are choosing to derate the Camaro by using different RPM ratings. If you calculate the torque needed to generate 422 hp at 5000 rpm (900 less than the vette) it is over 440 ft lbs (at 5000 rpm). My guess is somebody put the wrong number for the hp peak rpm or they just like to keep us guessing. Either way this will be an awesome motor and I think most of us here will never forget the first time we got behind the wheel of an LS1 powered vehicle.
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