One guy just used a cigar to blow smoke in through a hose into a port somewhere. Not sure where that port is, but the upper intake boot would be another place to plug into.
That said, great DIY...finally...brings Seth's machine to life! Nice!
Upcoming comedy shows: May 20, Greenwich Village Comedy Club. 6 p.m. See Facebook for other shows and PM me if you can make one...love to see you there!
A recent set: https://youtu.be/995gLmVEVZk
Mangofy your E46!