October 11, 2011

The Weber 42 DCNF Carburetor on the Citroen SM

The Weber 42 DCNF downdraft carburetor. A trio of these on top of the Maserati C114-1 V6 makes the Citroen SM sing. Carburetors are a fascinating mechanical solution to fluid metering. When they are tuned properly, they are awesome but it only takes one little thing to make you beg for mercy. Keep them clean and tuned for maximum enjoyment :-)

Source: Weber Technical Manual


Here is a video of the carburetors being checked for balanced airflow:



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