WTF is this ?

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Dec 26, 2009 | 06:53 PM

elias_799

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From: toronto ontario canada

WTF is this ?

i took of the oil pan today to tap another hole for the second turbo drain because i am switching from a single to twin

and after i took the oil pan off i decided to look at the cylinder bores, and found this

how did this happen ? this motor only has around 6000miles on it

Dec 26, 2009 | 06:56 PM

BadgeZ28

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From: Oregon

Can you feel a groove with your finger nail?

Dec 26, 2009 | 06:57 PM

elias_799

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From: toronto ontario canada

i have not tried, my hands where full of grease and ****

Dec 26, 2009 | 07:27 PM

BadgeZ28

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From: Oregon

The reason I ask is it doesn't look scored. Probably caused by a ring gap?

Dec 26, 2009 | 07:36 PM

G Engines

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From: greensboro, nc

your rings most likely had a burr on them when it was installed it is a common thing to see in a fresh when the rings are not correctly deburred. If it not too deep let it ride.