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525 sc replacement long block HELP

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Old 08-18-2008, 10:02 AM
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Unhappy 525 sc replacement long block HELP

trying to do a little leg work for my mechanic (trying to save some $$) as i need a replacement 454 long block for my 525sc motor.. serious knock in the bottom.. any leads as to where to look for a smokn deal or other input, ideas, concerns, would be greatly appreciated
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Old 08-18-2008, 10:48 AM
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Check out BoatFreaks Classifieds. There is a 525SC longblock for sale.
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Old 08-18-2008, 10:57 AM
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Have someone that knows what they're doing with MARINE ENGINES go through it. You'll never know what you'll get buying used and if you buy a non-merc shortblock, it's no longer a Mercruiser- which affects value. While you're in there, you might consider some upgrades. If you're buying pistons anyway and the crank needs turned, you're within pocket change of turning the engine into a 496 with a Scat crank and re-using your stock rods. Call RM Builder and have him custom-grind a cam- and get the new Morel super-duty hydraulic rollers while you're at it.
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Old 08-18-2008, 11:02 AM
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thanks for the info chris but I have a triple... Outlaw i'm going to plead incompetance as i can not find the classified, can you forward the link to me? or post it
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Old 08-18-2008, 11:18 AM
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I have a bunch of 525sc stuff, including a couple complete bottom ends, and a long block with a couple hundred hours on it. Let me know what you need, if your block is ok I can send you a complete rotating assembly but like Chris said...
Take it to an experienced marine engine shop to find out exactly what's wrong. PM me if I can help.

Alex
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Old 08-18-2008, 11:32 AM
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I agree with the experinced marine shop diagnoses..just trying to do a little leg work before they dig in. trying to see if it would be less to do another block or rebuild existing... how the hell does one PM on this form.. i feel sheepish.... I'll be in touch Alex

thanks brad
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Old 08-18-2008, 06:02 PM
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http://forums.boatfreaks.org/showthread.php?t=7847
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