billboost has spoken, this is the word of god, believe what he says.
there are quite a few threads on this topic just search around you'll find them, one is a sticky i think.
what i believe you have there is a gen V swap using a l67 throttle body. well at least thats the way you need to deal with it.
if you look at the l32 throttle body stock set up, or in the plastic air tube ( i think, i could be wrong here) it should have the nipple on it for the line they are saying to drill and tap into the l67 tb
heres one http://www.grandprixforums.net/eaton...5-a-49039.html