Ah, it's nice to hear a sound theory [Linked Image]<P>I've got the locker w/ 4.3 gears, but I can induce the pinging about half the time at the 60MPH/2000RPM range.<P>------------------<BR><B>Ken</B><BR><A HREF="http://students.washington.edu/kaibaun/" TARGET=_blank>My '99 Highlander SX</A><p>[This message has been edited by Ken (edited 24 November 2000).]