Prefix finally wrapped up my engine, just dyno'd at 803whp and 696wtq LOL. (Dyno Jet dyno on hot and humid day)
See graph below with a layover over the previous dyno before the new pistons, cam and valvetrain
You can read more about the motor build here- https://driveviper.com/forums/thread...ession-pistons
This is in a 2950lb 2013 Viper LOL
DynoGraph9literHighCompression.jpg
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08-13-2019 #1Enthusiast
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803whp 730wtq naturally aspirated Prefix 9 liter
Last edited by Arizona Vipers; 08-13-2019 at 01:24 PM.
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