Tracy Crook wrote: A 'wedge' duct does not preclude a 'bell shaped' duct. The bell shape DOES become distorted to the point of not being recognizable but it still functions as one. I spent several days sculpting mine. Wouldn't have spent that time if a simple wedge would be as good. Tracy According to K&W, the distorted wedge comes out looking like this: http://ernest.isa-geek.org/Delta/Pictures/OilCoolerDuctIntake.jpg
A 'wedge' duct does not preclude a 'bell shaped' duct. The bell shape DOES become distorted to the point of not being recognizable but it still functions as one. I spent several days sculpting mine. Wouldn't have spent that time if a simple wedge would be as good. Tracy