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Group....I need your help. I've got a 261 Four Winns Liberator with twin 460 Cobra engines. When I'm running the boat at moderate and high speed I hear a high pitch fluttering sound. A friend of mine who has a Baja told me it was the exhausts. It's a constant and not particularly loud noise. I...
I've got a 88 Four Winns 261 Liberator with twin 460 Cobras and 22pitch stainless props. Got my GPS out and at 4200 rpms I'm going 49 mph. Played with the tilt/trim a bit but no improvement increasing the mph's. I was told this boat runs 71 mph by the previous owner. This boat weighs 5500 lbs. I...
My Liberator has twin 460 Cobras and I hear a noise like a high pitch flutter sound (sort of like a automatic card shuffling machine).A buddy who owns a Baja rode with me and he said he was sure it was the exhausts. Anybody else experience this?
