Casper's Electronics can repair your digital dash. They can also set the dash up to read above 85 MPH.
They also offer the chip to do the 199 MPH readout for the do-it-your-self-er.
Factory boost and tach readouts can be corrected as well for both digital and analog dashes.
http://www.casperselectronics.com/st...p?cPath=5_6_33