Common evo problem= Bad piston must read (Pics)
Necro bump from 2006. Funny if you read this thread how the OP was saying that piston failure is common on a untuned, knocking, 50 psi boosted engine. Duh. Certainly not Mitsubishi's fault.
Just wanted to mention that I blew a head gasket pretty bad a while back and had a piston look like that. I think pieces of head gasket messed mine up...
I inspected the cylinder walls and decided to leave the piston and you would never know it now. The car has been running great since put back together.
I inspected the cylinder walls and decided to leave the piston and you would never know it now. The car has been running great since put back together.
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