Dual vs single water inlet outdrive?

[lrdchaos]

I recently had to replace my B3 lower unit due to a rock strike and the new lower is a dual water inlet. Is a dual inlet better than a single? Does it cause the water pump to work better since water is forced into the system when operating?

 

[alldodge]

The dual water pickup is far less likely to be blocked by a plastic bag getting wrapped on the drive. If it happens its usually higher on the standard location.

Water is forced in no matter if its lower or standard as the boat is moving.

Only down side is running it on the hard, with having to cover the lower holes so muffs work