It makes sense, at least for TNT Custom Marine's repower jobs, that the Verado 350 is more popular than the 400, http://speedonthewater.com/in-the-ne...power-business.

What is the warranty difference between the 350 and 400 and what octane do you have to run in both?

"" Out of all the 350s and 400s I buy, I have to believe that I am buying eight or nine 350s for every 400,” said Tomlinson. “I think a lot of that has to do with the longer warranty offered on the 350.

Longer warranty most boaters would want vs 2 or 3 mph faster with the 400's

I sure would like a pair

me 2

3 years of standard warranty on 350s with 5 years of extended warranty available for 8 total years of warranty available. 89 octane minimum, 91 octane for full performance.

2 years of standard warranty on 400s with 3 years of extended warranty available for 5 total years of warranty available. 89 octane minimum, 91 octane for full performance.

How many hours do they get out of a 350 Verado?

Tough call to make since it was released in February. The current production model Verado 350 is not the same engine as the previous Mercury Racing 350sci.