Was the Hispano-Suiza 12Y the worst ≥25L V-12 of WW2?

Easy, the 0.477 has a circular pitch of 0.8352 vs. 0.7646. The combined pitch diameters were 17.2844 and 17.2799 respectively.

Teeth numbers for 0.479:1 and 0.477:1?
 
Teeth numbers for 0.479:1 and 0.477:1?

Never mind.

21/44 = 0.477:1.
 

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