Cool. I've already got the two outboard nuts removed and the center bolt loose. I'll pull the plenum after I finish the slip ring installation. I was able to get at the center bolt using a 12" 1/4" drive extension. It did take a bit of careful searching to locate that center bolt.
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72
'02 CLK320 Cabriolet - wifey's mid-life crisis
2012 VW Jetta Sportwagon TDI...at least its a diesel
Non illegitemae carborundum.