Re: 470 Head modification help
Dont know about an alum head, but I recently rebuilt my 470 because the head rusted out on top of the 3&4th exhaust port to manifold. I bought a rebuilt head from Clearwater cylinder head co . in clearwater FL. It cost 320.00 plus 20.00 shipping and have been very satisfied with it. Check em out on ebay, they usually have a listing.
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77 V20 cuddy with 170 I/O Mercruiser
72 16ft. Carolina w/a 25hp Evinrude
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