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Old 02-28-2021, 04:20 PM   #19
DangerZL1


 
Drives: 2023 Black ZL1 Auto
Join Date: Oct 2009
Location: FEMA Region 4
Posts: 2,936
There are some supercharger changes per MotorTrend,

“ The Blackwing's big, forced-inducted V-8's extra power—28 additional horses and 29 more lb-ft of torque compared to the LT4 in the third generation CTS-V, the car the CT5-V Blackwing mostly replaces—comes primarily from a combination of a new 1.7-liter Eaton supercharger, 46 percent more airflow into the intake plenums, new throttle bodies, and a new exhaust system.”
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