The larger flat spot is where the egr normally is. Mike Smith added the other flat spots for drilling and tapping for egts.
JackB nimble JackB quick JackB can suck my dick =P - james-lee 11/02/01 Arrogance is the #1 weapon against Supra Owners - MikeH 08/06/02 Dallas with a Z: I like the bulge dude 05/02/03 Bezbefootball: Does dick have anything for me? 10/21/03