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12,xxx Miles, Change Valve Springs?

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Old 11-22-2012, 06:40 PM   #1
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Default 12,xxx Miles, Change Valve Springs?

Currently have around 12,500 miles on my G8 with PRC springs and a 223/231 cam, modifications in my signature. At what point should these springs be changed?

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Old 11-22-2012, 09:44 PM   #2
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Have them checked. Lots of factors at play and having them tested is the only way to be certain.
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Old 11-23-2012, 12:01 AM   #3
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Have them checked. Lots of factors at play and having them tested is the only way to be certain.
Checked, meaning send them to a machine shop?
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Old 11-23-2012, 12:09 AM   #4
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I'd change em. New springs only around $100. Opinions vary but 1yr/12k is a personal rule of mine for springs with aggressive cams.
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Old 11-23-2012, 12:11 AM   #5
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I'd change em. New springs only around $100. Opinions vary but 1yr/12k is a personal rule of mine for springs with aggressive cams.
Good point. I forgot what I spent at Texas speed. But if I am going to pull the springs to check them. For 100$ I'll just replace them.

Thanks for the fast responses!
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Old 11-23-2012, 12:18 AM   #6
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The kits are expensive (Seats, retainers), but the springs alone are very cheap.
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Old 11-23-2012, 08:06 AM   #7
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I'd call Brian Tooley@BTR he has some very good prices and they are always in stock.
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Old 11-23-2012, 08:32 AM   #8
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I'd call Brian Tooley@BTR he has some very good prices and they are always in stock.
+1 good springs and Colorado speed has them 10% off this weekend with free shipping. Just FYI.
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Old 11-23-2012, 12:49 PM   #9
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I'll be doing these springs with the PRC seats, and retainers.

http://www.coloradospeed.com/manley-...s-p-10431.html

NexTek are some nice springs...
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Old 11-23-2012, 12:49 PM   #10
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Thank you for the help!
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