Carter Carburetors ~ Advertised CFM Ratings and Corrected CFM Flow Ratings ~

Maximum Performance Carburetors

1962 '413' Maximum Performance
#3447 .......... 1 7/16" x 1 11/16" ..... 1.186" x 1.563" ........ 570 CFM

1963 '426' Maximum Performance {Stage 1}
#3447 ......... 1 7/16" x 1 11/16" ..... 1.186" x 1.563" ......... 570 CFM

The #3447 AFB Carburetors came thru with the smaller {4 5/8"} Air-Horn.

When dialed-in and Flow Tested. They 'Flow' between 597 and 602 CFM's.
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