Subject: Jonathan Grigg 06 GT Auto Wed Nov 30, 2011 5:54 pm
With only 281hp 278tq, Jonathan Grigg wanted to add more power to his automatic 06 GT. With the addition of a 3.4 Whipple-Bell ontop of an MMR motor with Comp Stage 2 cams, Pro Dyno was able to get Jonathan's GT to 608hp and 523tq! Great numbers Jonathan!
