Thread: 470 (165 hp)Mercruiser in 20' Seafari
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Old 02-16-2010, 09:17 PM
Wags23 Wags23 is offline
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Join Date: Feb 2009
Location: boston ma
Posts: 85
Default Re: 470 (165 hp)Mercruiser in 20' Seafari
The fresh water cooled factory heat exchanger had some problems too they sell a replacement thats bigger, less overheating problems.I had one that said 165 hp on the valve covers.
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