John Shiels over on Corvetteforum was over at VetteDoctors in NJ. They had an FRC on the rollers that put down some crazy numbers. 565RWHP...

Here is the thread.

http://forums.corvetteforum.com/zerothread?id=468895


About the only fact were that it was an FRC, it pulled those numbers on motor, and it had a fairly lumpy cam in it. Word is they still have some tuning to do. I posted this, sincew this is about the highest number I have seen anyone claim with a 422.

 

Hey, not bad. Too bad there are no details. I'd be interested in seeing some trap speeds.

 

It wouldn't be the first time some misconstrued dyno numbers have come out of that shop...if that's the case

 

the guy doesn't even say if it was SAE. Actual numbers could make a huge + difference this time of year.