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    Burnt rod bearing.... update

    http://www.iboats.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic;f=24;t=011067 <br /><br />Got engine reassembled with new crank and a couple of new rods friday, bolted in saturday in time for a late afternoon test run. Ran sweet until 1 hour mark, noticed oil pressure dropping on just installed...
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    Burnt rod bearing

    Okay need some second and third guessing on possible causes for this failure.<br />5.7 Mercruisers, ran well, but decided to rebuild because I have the inhouse resources to do the job and the hours were getting up there.<br />Rebuilt port engine developed knock in first hour, limped in, pulled...
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    closed verses partial closed cooling system

    I am thinking about converting to a fully closed cooling system on a pair of mercruiser 350's through velvet drives.<br /> http://www.marinemechanic.com/New-Folder2/v8-cool-flow-clsd.htm <br />Is there a downside. I have read some concerns about the heat exchanger possibly being unable to take...
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    Recommended safe cruising revs for Mercruiser 350's

    Firstly I should say I'm new to these threads and have found them to be an astounding information resorce. Thank you all for the contributions.<br />I run a pair of 350's in an older Searay. I'm wondering about a safe high end (revs) for an extended cruise of 4 or more hours. My concern is more...
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