Mike, who are you working with to get this done? any idea on the pricing and materials? and what company is going to do them for you/us? --- mike kojima <choaderboy2@yahoo.com> wrote: > I are you sure you want to do this? I am already > well > underway with this project and am also doing > sleeves. > For structural reasons ,I think 89mm is the safest > but > maybe 90mm might be the max. > Mike