whats the difference between a B-16A and a B-18B block?

Question

integra honda civic

Answer 1

the b16 engine has a biger bor witch means bigger pistons and that means bigger and better cumbustion witch results in more power if you have a honda and want to swap 4 a acura motor its a good idea there both good motors but the b16 will make more power overall good luck

Answer 2

B refers to the series of the model.

16 refers to the capacity of the engine. 1.6cc

A refers to the production/Chasis. follow up by the alphabat.

Hope this helps.