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Generation III Internal Engine 1997-2006 LS1 | LS6
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Heat discoloration on cam

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Old 07-22-2015, 07:35 PM
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Default Heat discoloration on cam
What do you guys think about this cam?

http://imgur.com/mY4fWZA

Is that blue/purple ring a problem? Supposedly cam has 5k miles on it. Lobes and other bearing surfaces are clean and shiny.
Attached Thumbnails Heat discoloration on cam-100_6704.jpg   Heat discoloration on cam-100_6708.jpg  
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Old 07-22-2015, 09:16 PM
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Induction hardened, normal...
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Old 07-23-2015, 02:07 AM
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Aye, almost all come from comp that way. Totally normal.
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Old 07-23-2015, 05:44 AM
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actually looks like it got a nice, deep hardening
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Old 07-23-2015, 10:58 AM
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Great, I hadn't seen one like that before so I was a bit worried.
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