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Old 10-05-2012, 10:11 AM   #1
Richy_Rich
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Join Date: Aug 2010
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700 Horsepower Camaro ZL1 HPE700 by Hennessey [Video]

"Hennessey’s HPE700 package will get you a very-conservatively rated output of 707 horsepower, which should be enough to shave about half a second from your 0-60 mph time.

We say conservatively rated output, since the car in the video dynoed at 490 hp to the wheels when stock, representing a driveline loss of about 16-percent. Given that the HPE tuned Camaro ZL1 measured 671 hp at the wheels after Hennessey worked his magic, that puts the real gross output at around 799 horsepower by our calculations."

To achieve such a noticeable gain, HPE ports the cylinder heads; upgrades the camshaft; adds a cold-air intake, long tube headers and high flow catalysts; changes pulleys to up the boost; retunes the ECU and modifies the heat exchanger for better charge-air cooling."



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