Looking for reason my piston melted

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Jake2015
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Looking for reason my piston melted

Post by Jake2015 » Sun Apr 14, 2019 4:48 pm

<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 221 times
712K #3 Piston2-small copy.png
712K #3 Piston2-small copy.png (1.4 MiB) Viewed 221 times
712K #3 cylinder-small copy.png
712K #3 cylinder-small copy.png (1.39 MiB) Viewed 221 times
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VinceAtReal4x4s
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Re: Looking for reason my piston melted

Post by VinceAtReal4x4s » Mon Apr 15, 2019 3:00 am

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 » Mon Apr 15, 2019 6:37 am

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 » Mon Apr 15, 2019 9:09 am

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

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