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'04V, '05V, '06SRT8, '10V, '13ZL1, '12 V, '16 Z06 SC757
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I saw that too over on the Vette forum. Sounds like pure evil. I'd hate to hear what Stage II and III sound like.
 

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2005 Stealth Gray CTS-V, 2009 Black CTS-V
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That car is running nice. The stock C6 Z06 that I saw dynoed at ~420 rwhp, which is about a 16% loss through the drivetrain (which seems reasonable). I'm willing to bet that Z06 is running a wee-bit more than 505 at the flywheel stock. :D
 

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None now...1972 Challenger=my pride and joy.
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Good good...could have done with a better background song though! :)
 

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'04V, '05V, '06SRT8, '10V, '13ZL1, '12 V, '16 Z06 SC757
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Luna. said:
That car is running nice. The stock C6 Z06 that I saw dynoed at ~420 rwhp, which is about a 16% loss through the drivetrain (which seems reasonable). I'm willing to bet that Z06 is running a wee-bit more than 505 at the flywheel stock. :D
I believe they already admitted closer to 525. Ford GT, Viper and the Z are all underated. Welcome to the good ol' days.
 

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yeah, there underrated....

and that motor should make more than stock for a 427. It seems that the big ol'bowtie saved some for the aftermarket.

Hell, my 408ci makes close to 600 crank hp with a ls6 manifold and a non-ported TB. (591 to be exact!) Thats with a smooth cam, 114 lsa, and still enough left to make well over 650 with the new et heads and a mor agressive cam spec.

With a 90mm setup i should be well above 615 crank hp with my current cam.

I absolutely love the sound of a camm'd ls-x motor through open exhaust...nothing short than the sound of the end of the world!!!!!!

edit: Um yeah, this 408ci is in my 98 z28 conv....just realized that i dont have any info of it in my sig. DOH!!
 

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1995 ETC, 75 Deville, Cad500 powered 73 Apollo, 94 Mark VIII
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I have a hard time they got an SAE certified rating of 505hp if the engine's actually producing more. I think they're very accurately rated.
 
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