Ford 2150 2 bbl

Look on the driver side of the float bowl. Should be number in a circle. These are the published flow rates.

bore size=cfm

.98 = 190
1.01 = 240
1.02 = 245
1.08 = 287
1.14 = 300
1.21 = 351
1.23 = 356
1.33 = 424

Dang it Dan beat me to it.