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View Full Version : Carbon Build-up causing leaky valve seats on local evos?


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RS98GSX
04-08-2010, 09:06 PM
Where is he filling up on E85?

Matt D.
04-08-2010, 10:42 PM
If they look like that, and you're running E85, I wonder if you don't have some kind of oil leak or something else getting in your combustion chamber. I run E85, my cylinders aren't shiney new clean, but pretty clean overall. Nothing like that!
Guys, the picture above is my car. 100,000 miles on 93 octane. Never a sign of oil leaking, the head gasket looked perfect.

RS98GSX
04-08-2010, 10:53 PM
Ok still where do you get your gas from?

scheides
04-08-2010, 11:03 PM
They used to make these one cars, I think collectively they were called DSMs there is even a site with VFAQs on them I am sure one included how to use seafoam and MCCC to clean your engine.

Strange.

Nice :P

http://vfaq.com/mods/MCCC.html

Trev, what do you think, wanna try this?

Halon
04-08-2010, 11:07 PM
Guys, the picture above is my car. 100,000 miles on 93 octane. Never a sign of oil leaking, the head gasket looked perfect.

Yeah but it sounded like he was saying Trevor's was the same, and he was running e85. Did I interpret wrong?

t-revzr
04-08-2010, 11:44 PM
Nice :P

http://vfaq.com/mods/MCCC.html

Trev, what do you think, wanna try this?

Im down! Im going to call Ron tomorrow and see if he will let me borrow his scope you were talking about. Then we could really see in there since its a camera!

Matt D.
04-08-2010, 11:56 PM
Yeah but it sounded like he was saying Trevor's was the same, and he was running e85. Did I interpret wrong?
Yes because we haven't seen inside Trevor's cylinders yet. Regardless he has an exhaust valve leaking and so far no one has had a burnt or bent valve so that really only leaves us with the carbon buildup option.
Ok still where do you get your gas from?
BP mostly unless I don't feel like driving to one and won't be beating on the car then it's whatever 92 octane is nearby.

Shane@DBPerformance
04-09-2010, 10:01 AM
They used to make these one cars, I think collectively they were called DSMs there is even a site with VFAQs on them I am sure one included how to use seafoam and MCCC to clean your engine.


How dare you compare an Evo to a DSM. They share nothing in common! One has 2 doors the other has 4 doors. It's just a coincidence that they pretty much have the same motor, ecu, drivetrain, mas, owners, pistons, rods, cranks, lifters, and rusting problems.

t-revzr
04-09-2010, 03:22 PM
I hope this stuff works!
Scheides, Matt D and I will be tryin this out on my car Sunday..
http://i849.photobucket.com/albums/ab54/T-revzr/Pics-1.jpg

RS98GSX
04-09-2010, 03:33 PM
BP and shell are the best places to fill up. holiday or SA would do that