Grady 257
Rob,
My 257 is powered by a single Yamaha F225. A great, fuel efficient engine, but in my opinion, not quite enough power to achieve really good performance on my hull. My boat will cruise in the 32-33 mph range at 4800 rpms, which is fast enough for a lot of people. However, if you are like me and want to get places in a hurry, the 36-38 top end just isn't enough. Looking back, I wish that I purchased the boat with twin 150s. I hear that the F250 will have a little better acceleration and torque in the lower rpms, but I'm pretty sure that the 258 is heavier than the 257, so my guess is that you will get marginally better performance with the F250 that I do with the F225. If money is not your largest motivating factor, I would go with the twin 150s. I am stuck with the single engine setup, but plan to eventually repower if and when they come out with an F300. Either way, I'm sure you will love the boat. Good luck.
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