Dyno Sheets

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This is the dyno sheet from a dyno day a few years ago.  Using normal smoothing, it dyno'd 431HP to the rear wheels.  Using a 12% driveline loss which is fairly accurate for a Viper, this equates to about 490HP at the flywheel. 

Performance mods at the  time of this dyno included smooth tubes and S&B filters as well as a Corsa 3" cat-back.  

The top sheet shows the same run without any smoothing applied.  Though it gives a higher number, it is probably not as accurate as a smoothed graph.  In both cases the numbers are SAE corrected.