Matt Barrow wrote:

Sea level power to 8500 feet.
77% power to 12, 500 feet, 65% power at 17,500 feet.

Gee...my turbonormalized IO-550 get SL power to 20,000 feet.

And it's STC'ed.

And your system is at least $30,000 more expensive.

(Assuming you've got a Tornado Alley turbonormalizer)
--
Frank Stutzman
Bonanza N494B "Hula Girl"
Hood River, OR