I did know Cad flatheads exhaust came out of the block under the head. I thought they were all on top.
The first Lincoln flathead V8 appeared in 1949, those heads are center outlet 1938-‘48 style. Isn’t that a typical Ford engine?
Easter morning at Sixth Mount Zion Baptist Church, 1956, V.91.42.669, Edith K. Shelton Collection, The Valentine