Checking 400M Block

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09-09-2016, 07:46 PM

Joel Cassell

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Checking 400M Block

Guys,

My engine block I sent to the Machine Shop was un-rebuildable... I found a used block and crank on Craigslist. Anything I can easily check to insure it is not Scrap?

Joel

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09-09-2016, 09:56 PM

mark a.

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All you can do is look it over. Check bore size, who knows it may be maxed out. I wouldn't pay much for one.

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09-10-2016, 08:08 AM

Gary Lewis

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Check for cracks in the valley.

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09-10-2016, 10:34 AM

beartracks

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If you can see honing marks in the cylinder it's a good thing. Look for blown out freeze plugs (overheating or freezing) and cracks between the cylinders.

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