Rusty Plug x Vortech E85 car

[Velgen]

How’s it going guys,

E85 vortech car, sat for two weeks. Started driving it again and noticed the car felt funny. Pulled the plugs and cylinder 3 from passenger side looked like this (pic one below) changed all the plugs. A week and a half later the same cylinder looks like this (pic 2 below) WTF any help? (Compression was good). Flow tested the injectors and they were a little off but nothing was wrong with them. I haven't thrown any codes for misfires or anything. What can keep causing this plug to rust like this? Its only in that one cylinder. Any help is appreciated

Thanks guys!

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[Jay-rod427]

Coolant is only thing can make them rust. Washes off the oil and fuel.

 

[SolarFlare]

Head gasket?

 

[F1scamp]

Head gasket, crack in the cylinder wall. Do a leakdown hot. Pressurize the cooling system and use a borescope in the cylinder.

 

[Velgen]

Well turn out its a head gasket issue. Thanks guys

 

[Jay-rod427]

Time to stud it! And port and polish them while they're off. hehe

 

[SolarFlare]

Well well...glad you found it man.

 

[Velgen]

Just picked up some ARP head studs, But what head gasket you guys think I should go with? Oem replacement?

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