U will be amazed at power and gas usage. 43 is perfect conditions. U can figure 25 to be ur most common area of speed. Mvs dont like waves. However the trade off is well worth it since i anchor alot.
Im going with the zuke 325 duo prop next year . Its a European model. My mv is 325 max hp.
I can help u with cabin harmonics. Do u have bracket? If so.. line inside tub with sound deadening material. Find at audio supply house. Then buy piece of 1/4 conveyer belt material and put between motormount and bracket. Noise will be gone..
I had same issue with new 300. Fixed it same day. I put 1/4in. Rubber belt material between motor and bracket. Then i lined inside bracket with sound deadening sheet material. Super quiet now
The liner used by parker is called monkey hair. Or monkey fur. Depending on who u talk to. Cheap and very forgiving material. However it stains and holds mold way to easy.