Page 1 of 1

Looking for reason my piston melted

Posted: Sun Apr 14, 2019 4:48 pm
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 72 times
712K #3 Piston2-small copy.png
712K #3 Piston2-small copy.png (1.4 MiB) Viewed 72 times
712K #3 cylinder-small copy.png
712K #3 cylinder-small copy.png (1.39 MiB) Viewed 72 times

Re: Looking for reason my piston melted

Posted: Mon Apr 15, 2019 3:00 am
by VinceAtReal4x4s
Whoa. What are the valves like? Could it be it was running too lean somehow?

Re: Looking for reason my piston melted

Posted: Mon Apr 15, 2019 6:37 am
by undysworld
Air leak in the intake manifold, or bad gasket on #3?

Re: Looking for reason my piston melted

Posted: Mon Apr 15, 2019 9:09 am
by pinzinator
It looks like a lack of oil, but I have no idea how that could happen.