Looking for reason my piston melted

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Jake2015
United States of America
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Joined: Wed Apr 15, 2015 12:18 pm
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Looking for reason my piston melted

Post by Jake2015 »

<t>The pictures tell the story. This was number three cylinder. The other cylinder have good compression</t>
712K #3 Piston1-small copy.png
712K #3 Piston1-small copy.png (1.86 MiB) Viewed 3630 times
712K #3 Piston2-small copy.png
712K #3 Piston2-small copy.png (1.4 MiB) Viewed 3630 times
712K #3 cylinder-small copy.png
712K #3 cylinder-small copy.png (1.39 MiB) Viewed 3630 times
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VinceAtReal4x4s
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Re: Looking for reason my piston melted

Post by VinceAtReal4x4s »

Whoa. What are the valves like? Could it be it was running too lean somehow?
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undysworld
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Re: Looking for reason my piston melted

Post by undysworld »

Air leak in the intake manifold, or bad gasket on #3?
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pinzinator
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Re: Looking for reason my piston melted

Post by pinzinator »

It looks like a lack of oil, but I have no idea how that could happen.
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