I was close with my guestimate...I usually just go by the about 2:1 dollar to pound ratio. The Z06 sells for around $70K IIRC.

Here's my decked out Z06...They start at $65K.
My Z06


J.T. 2002 Chevrolet Silverado 294ci V8. Custom CAI, headers on the way... 1997 Mercury Mystique Zetec ATX Deceased February 2006