ZENITH CARBURETOR MODEL 756
Z.C. A$$EMBLY # 0-7836 1 1/2
# 28 VENTURI SIZE
DISTANCE BETWEEN THE HOLES IN THE FLANGE 2 15/ 16
DIAMOND T MODELS: 302 , 303 , 502 , 550 , U56 , K3 , U5S , S AND S3 1929 ;
MODEL 302-2 1930 – 1931
INFORMATION FROM http://www.oldengine.org