A steering rack from an 88 stang will interchange with a 99 stang? The fox bodies had much faster steering compared to the 99 and I think the 88 was variable ratio, the 99 is fixed ratio.
-- Jim '88 LX 5.0 (now in car heaven) '89 LX 5.0 vert '99 GT 35th Anniversery Edition - Silver Mods to date - Relocated trunk release to drivers side, shortened throttle cable, PIAA Driving lights.