Contour Enthusiasts Group Archives Forums Modifications Duratec Performance Optimized stock throttle body (long/pix)

The SVT TB can even get better results on this mod as they have another half of the butterfly bar on the front side that can be removed for better flow as well as the other things you mentioned. I've done this several times to other local Contours, all noticing high RPM freedom. After you know what you're doing, you can do it in under 3-4 beers (half hour to 45 mintues sipping).