http://www.sheldonbrown.com/frame-spacing.html
"If, however, you want to do it right, and your frame is steel, cold setting is the better way to go.
If you're going more than one size, say from 120 to 130, or from 126 to 135, you should definitely cold set the frame."
set hub washers down by 2.5mm each side then cold set to 130?
@Gartman started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
http://www.sheldonbrown.com/frame-spacing.html
"If, however, you want to do it right, and your frame is steel, cold setting is the better way to go.
If you're going more than one size, say from 120 to 130, or from 126 to 135, you should definitely cold set the frame."
set hub washers down by 2.5mm each side then cold set to 130?