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@Regal
No, I have mine on a Bob Jackson Vigorelli (which is a typical track frame without any crimping on the chainstay). I checked and my chainline is 42mm, i.e. correct. I just think 144bcd track cranks are often pretty tight. Mine were practically touching so I filed a tiny bit off the sharp edge of the spider arms so that it doesn't foul the chainstay under power. All fine.