gsxr said you can do it with this mityvac on my EGR thread, check it out

http://www.thetoolwarehouse.net/shop/MIT-4050.html

later

__________________
1991 300 D 2.5 Turbo, 220k
also in the family:
1981 240 D 185k
1991 350 SD 185k
2006 S 500
2005 SLK 350