![Turbo_21_zpse8466db1.jpg](/proxy.php?image=http%3A%2F%2Fi231.photobucket.com%2Falbums%2Fee194%2Fghall65157%2FTurbo_21_zpse8466db1.jpg&hash=c06cfb48d7274477579107af54745fc4)
I have an idea but can someone tell me what is supposed to be connected to the opening I have circled on the inlet bell?
Also wondering if someone can help id this turbo--465625-5002 and 3906-T601. Once again I have an idea just trying to confirm.
Thanks for any help.
Geoff