Lookin to get some info on the stock items attached to the elbow....
right underneath the bend from the first pic id assume is the air temp sensor..
solenoid attached on the second pic ..underneath the elbow arm with 2 vaccum lines is for...
hard line attached alongside the arm leads to.....

 

So, are you gonna tell us? Or do we have to guess? Sorry, I'll step aside and let DMRH answer your questions.