This was pulled from Here!

Model & Code/Plant No./Cylinders/CID/HP/Comp.Ratio/Carb.
AHCM ** /Tonawanda/6/235/92/6.6:1/1 BC

That would seem to indicate a low pressure 235 which is essentially the same as 216 give or take 7hp. In other words, tick, tick, tick.

Jeff

My 1953 Chevrolet
1947.1 Gallery
1972 C-10 1/2 Ton & 1972 C-30 1 Ton