Hennessey Reveals Tuning Program for Chevrolet Camaro ZL1

by Adam Lynton
24,403 reads

Depending on your needs, Hennessey Performance can upgrade a ZL1 from between 650hp to over 1,000hp.
John Hennessey and his team have been hard at work assembling a tuning program for the Chevy Camaro ZL1, and the results are as follows. Dubbed the HPE650, the tuned ZL1 features a 6.2-liter supercharged V8 equipped with a cold air induction system, stainless-steel headers and an upgraded intercooler. Hennessey also added new pulleys and revised the ECU. As a result of these mods, as well as fitting a new camshaft and high flow cylinder heads, engine output has increased significantly.
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Specifically, the stock ZL1's output of 580hp and 556lb-ft of torque has been boosted to 658hp and 707lb-ft of torque. In addition to the HPE650, previously announced HPE800 and HPE1000 packages can also be ordered, which bump power to 800hp and 1,021hp respectively.








by Adam Lynton
Hennessey Reveals Tuning Program for Chevrolet Camaro ZL1