Posts: 3508
Location: Elk River, Minnesota | Hiya,
It would lower your rpms roughly 300 and maybe increase your speed by 1 to 2 mph. It may lower it even more depending on where your motor's rpms are at when you are at full throttle and lightly loaded.
The hole shot of the rig if you punch it will be slower, and again depending on how your current prop is performing, you may find you cannot trim up as much as the motor cannot reach a high enough rpm level to trim the bow up without ventilating or porpoising.
In a nutshell, you gain speed, but you lose low end power as the motor is working harder to turn the prop. Depending on the prop, though, there might be other things that can be done to the rig itself to get the performance even better.
Do you have an idea of the max rpms the motor is turning and what speed you are seeing via gps?
Steve
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