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Hammerhead 365hp


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So i need some info on the hammerhead 365hp motor. Does anyone know if it shares the same block as the monsoon or is it a LS1 motor? Aluminum or steel heads? Really can't find much so i am coming to the experts. I want to go look at a 2001 sunsetter lxi and know what to look for on this engine. Any help would be great. thanks

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IIRC it's the same block as the Monsoon except it has aluminum heads. Completely different than the LS1.

You look at Indmar's website and you might find some info or contact them.

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So if you had a choice between this motor or a monsoon 335 which one wins out? I worry about longevity of aluminum heads on a cast iron block in the marine environment. Any opinions? Kerry

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