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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

Drag Racing Champion
Location
Chicago
Car(s)
MK7 GTI
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
    tempImagelGHH6G.png
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Acadia18

Autocross Champion
Location
The Greater Boston Metropolitan Area
Car(s)
2017 VW 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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