We currently offer a massive range of downloads for FSX, as well as older flight simulator add-ons for the ever-popular FS2004, FS2002, CFS3 and now becoming ever popular with dediced virtual aviators is Laminar Research's X-Plane series.
On your fsx.cfg, (will be for the first shift z action key),
add at end of [TextInfo.1]
erase the Framerate line in this same section of course.
Like that you'll have on the second line,
min average and max fps [20 30 40]
An other tip, useful for creating scenery, is to had the coordinates in a decimal way.
For example under [TextInfo.1] you have
Under [TextInfo.2] you'd have this time