<HTML><FONT FACE=arial,helvetica><FONT COLOR="#004080" SIZE=2 FAMILY="SANSSERIF" FACE="Tahoma" LANG="0">VSSB = Vehicle speed sensor buffer, it would need adjustment/calabration
<BR>after a tire or gearing change some comanies sold them but you had to give
<BR>them the gearing and tire diameter and then they would program one for you
<BR>for about $200, the problem is we don't always change the gears and or tires
<BR>size at the same time so you needed to spend 2 bills every time you made a
<BR>change these are common on 89 and up gm vehicles with electronic speedometers
<BR>
<BR>Kurt</FONT></HTML>