1971 340's True HP?

t quads rated 800cfm for the small primary and 850cfm large.

'Advertised'

* Small Primary {1 375"} ........ 750 to 800 CFM's
* Large Primary {1.500"} ........ 800 to 850 CFM's

Carter Carburetor, a division of ACF Industries 'never' released an exact CFM Flow number, for the 1971 and later Thermoquad's found on the Mopar
Engines.

The CFM flow-rates were 'estimated'.