Tri-Z Air

[RabbitGully]

Hey guys I'm new here and would not know were to look for this answer its it was posted already , so here it is , can anyone tell me where does the air line hose or fuel line type hose , coming off of the air intake joint go to from the joint , Thanks for any help on this .

[350for350]

Would that possibly be the vacuum line to run the fuel pump? It's my only guess since I don't know much about Tri-Z's.