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What did you do to your mk7 today?

acoustic_

Ready to race!
Location
NJ
Car(s)
2018 Golf R
I think the "sparkling" or "flaking" on Cyl1 is significant enough to look into. Cyl3 actually looks quite healthy to my eyes, but again, could be the photo. Looks like there's a little bit of a shadow on Cyl3 tip so it may be hiding the "flaking"/"sparkling".

From the pic though, funny enough, Cyl3 looks the best out of them all.. at least to my eyes. LOL
 

manu97

Autocross Champion
Location
Chicago
Car(s)
MK7 R
My only thing is that none of the plugs look bad enough to justify the “hide cylinder” which is why I’d think injectors.
 

CaptainRatty

Autocross Champion
Location
Winston-Salem, NC
Car(s)
MK7 GTI
Borescoped the cylinders and here's what I found. What am I looking at on the tops of the pistons in 1 and 2? Wish I could have gotten better photos and video, but I don't have the dopey adapter.
 

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  • Cyl 1.jpeg
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  • tempImageW2HEB0.png
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  • tempImageWlIhMy.png
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  • tempImagelGHH6G.png
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Acadia18

Autocross Champion
Location
The Greater Boston Metropolitan Area
Car(s)
2019 Golf R

Attachments

  • Screenshot_20220918-113443_Chrome~2.jpg
    Screenshot_20220918-113443_Chrome~2.jpg
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CaptainRatty

Autocross Champion
Location
Winston-Salem, NC
Car(s)
MK7 GTI
Detonation.
What would you suggest? Injectors? 70k on the odometer. A little surprised… I hardly ever see any knock retard.

Part out?
 
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