MOVED Fastest Mil-Spec Stocker Piston Warbirds at Reno Altitude?

[J.A.W.]

Re: MOVED Fastest Mil-Spec Stocker Piston Warbirds at Reno Altitude?

Spitfire 21, running the big Griffon @ +21lbs boost, 407mph @ 8,000ft..

http://www.spitfireperformance.com/la187speed.gif

Anyone got a set of figures for a laminar wing Spiteful running the Griffon @ +25lbs?