All I see on the carb I only see BB-1 and D or O. - 456. And today I compared it to a rochester that came off of a high pressure 235 and the Rochester patern is wider. Would this mean it came off of a 216 low pressure engine?

1941 Chevy
"First rebuild - complete!"
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1941 GMC resting peacefully
1946/1947 Chevy Street rod on s10 frame complete
1945 GMC panel truck in line for restoration
1941 Plymouth stock complete
1941 GMC COE in restoration process
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1941 Chevy Coe uncertain future resting now