Sound like changing your saddle position would be more idea.
When it come to fit - make sure the saddle to BB distance fit you well, then worry about the stem.
@edscoble 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.
Sound like changing your saddle position would be more idea.
When it come to fit - make sure the saddle to BB distance fit you well, then worry about the stem.