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Talk about engine building here. New products, tricky questions or showcase your work - If it's engine building related it's welcome here.
Hi
I am rebuilding a 1200 cc engine form my VW beetle.
I have stript the engine and find som wear on the wrist pins. I wonder i this were pattern is normal an what's causing it (se attached pictures)?
that doesn't look like wear -- can you actually measure a diameter difference in the spots with different surface finish?
I have not measure it yet.