There is the least amount of room on the 32 compared to the 33 and 34.
I know about the plenum, did it twice, as the first time it didn't seal properley I was using the cometic gaskets, I'd strongly suggest using some loctite copper gasket sealant, if you want to know the exact product I can have a look tomorrow.
Havn't bothered with the idle valve yet, got some other stuff to do so I'm just going to leave it to last.