Ah, thanks for that. Not a Tornado 230.
I'd say BMW 320, 323, 325!. They had the early simeased bore engine, a sweet thing with fuel injection, which was also found in Liclon LSC's in 2.4 diesel form. A very, very compact engine with a great reputation for performance in the smaller early 3 and 5 series Bemmers. After the emissions regulations bit in 1980, they were a bit of a lame duck on the highway.
Other options. I'd say Toyota 2M, 3M, 5M engines had non cross flow heads on some versions. Quite a few 2 liter imports into NZ had similar intakes to the 2V Falcon 250, but were on very small bore engines less tha 27 inches long at the rocker cover.
The old Nissan L-20, 24, 26, 28'S were also non cross flow.
The Aussie Kimberly, Marina Six, and Leyland P76 2262 and 2611 was a non cross flow, from memory.