Not much in the way of big HP Vipers, and that dyno at Henesseys is brutal. An 08 Viper with a filter and Corsa made an SAE corrected 497rwhp. Heads and Cam C6 Z06's were only making 515-530's so I wasn't expecting much out of mine. I made 615 two weeks ago so I figured based on what everyone else was making I would see 570 if I was lucky.
I made 595 . Not bad for a couple boltons. At the end of the day it was still the second highest NA number for the day.
What surprised me the most was that I made 98rwhp more than the other gen IV which had a filter and Corsa.
Here's some photos from today
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