Thread: Actual ZL-1 Horsepower.
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Old 06-08-2004, 08:19 AM
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Default Re: Actual ZL-1 Horsepower.
In the June 2004 MuscleCar Enthusiast,Petes 427 Dynoed at 465HP & 426lb-ft of Torque.They bested it one last time by installing headers to reach 508.6HP & 470lb-ft. torque.
MERCY!
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