Posts: 410
Location: With my son on the water | One more thing to consider (from the a Merc Engineer in charge of engine development)
On engines with the same block size Example (Merc Opti 75,90, 115) the power curves are all the same until the higher RPMS. Meaning with like applications the hole shot is exactly the same, the only difference is realized on the top end because (like Steve said) the fuel is managed differently.
I am not exactly sure what motors you are considering but this is something to keep in mind.
But for me, I always max it out. (Boats are toys so save your money until you can pay for what you want).
Have a good day.
Brad
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