Tony, I may try to get pics of, here we have 250 with multiport efi. But with a whole different head. Separeted runners on all cilinders, they do not merge after the bolt.
Greybeard, this procedure helps in high rpm, hurts a lot the low end grunt. And we can have for sure that to keep it going must run a li'l rich in lower rpms, so fuel consuption suffers a lot.
For a long time the tunners here used to do it, remove the center of the port, but it's results are not clear, some like, some dislike, but listening to the results of a 12 port wayne on a stovebolt, I'd say that I'd rather have a full divider in a head port than running an engine with a common runner for 2 cilinders.
Just my 0.02.
