Quote:
Originally Posted by Hennessey Performance
Hey guys, the numbers are the numbers. We know how to dyno and test cars down the track and have gone thru this drill a lot in the past 20 years. I even thought that maybe we had some bad fuel but our tuner said that he never saw any knock on the dyno. I am guessing that the power will come up once the motor is broken in. I would expect more like 585 rwhp from a stock ZL1 automatic car.
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you are missing something...
Stock flywheel HP is 580. 585RWHP should not be expected.