I heard the h23 block is already plumbed for VTEC, unlike the popular LS/VTEC and CRVTEC hybrids... external oiling is NOT required.

all you gota do is pull the plugs out of the vtec oiling channels


woo hoo

read more here
http://home.comcast.net/~mlokubo/h23vtec.htm

after a couple weeks of research i now believe this is a good idea