# 1968 and 1969 six-cylinder engines (the standard 230ci/140hp and the optional 250ci/155hp), received the Rochester "Monojet" (1MV) one-barrel carburetors. Rated at 250 CFM, this was enough to supply ample power to the car while still achieving good gas mileage.
According to doug roe's rochester book 1973 printing (@ 3.0in. hg.pressure drop)
1-7/16" throttle bore with 1-7/32" venturi is 160 cfm
1-11/16" throttle bore with 1-5/16" venturi is 210 cfm
1-11/16" throttle bore with 1-1/2" venturi is 250 cfm
many people dont like the mono, but once you desmog 'em they are good - and they dont have the nasal part throttle "whistle' that the model Bs have
