Exhaust valve

[Classicnige]

So I’m having my headers put on and this was found when taking the factory header off no smoke out of exhaust no oil on spark plug and piston looks good. What are your guesses we are still taking the head off and sending it off.

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[Torinate]

Jeez. Is this the only one like that? What are the other cylinders like? Looks nasty.

My thought is valve seal. Surprised you haven’t noticed any exhaust smoke.

How many miles?

What’s the process for changing valve seals on these?

Not a nice surprise…

 

[Classicnige]

Jeez. Is this the only one like that? What are the other cylinders like? Looks nasty.

My thought is valve seal. Surprised you haven’t noticed any exhaust smoke.

How many miles?

What’s the process for changing valve seals on these?

Not a nice surprise…

Yes the only one the other cylinders are clean it’s crazy it’s a 2019 I bought with 5 miles on it in 2019 and the car has 8k miles now I barely drive it because of work and I’ve replace the gas tank wiring harness and injector number 8 it’s my problem child

 

[Torinate]

Curious. Is this cylinder 8 that you had to change the injector on?

 

[Classicnige]

Curious. Is this cylinder 8 that you had to change the injector on?

The valve is on cylinder 6. The injector 8 was warranty work. Had a CEL and showed injector 8 was the “problem” so they swapped it CEL went away then it came back ended up being the wiring harness causing it. And another crazy thing is the car never misfire or drove weird during that issue.

 

[Torinate]

Crazy. I’ve got a misfire but drives fine and no cel.

Can’t understand these things. So the plan is to pull the head or change the deal and clean things up?

 

[K4fxd]

So I’m having my headers put on and this was found when taking the factory header off no smoke out of exhaust no oil on spark plug and piston looks good. What are your guesses we are still taking the head off and sending it off.

I'd replace the valve seal and call it a day.

If I did decide to send them out I'd port and install oversize valves and some better springs.

 

[Classicnige]

I'd replace the valve seal and call it a day.

If I did decide to send them out I'd port and install oversize valves and some better springs.

That’s what we are doing since I’m whippled

 

[KingKona]

Crazy. I’ve got a misfire but drives fine and no cel.

Can’t understand these things. So the plan is to pull the head or change the deal and clean things up?

Don't pull the head, just change the seal.


You're looking to open up a Pandora's box of other possible issues by removing the head.

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