how often do u guys change ur valve springs

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11-26-2011, 08:43 PM

#11

slow2008

formerly slow03 (11-04-2011)

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Yes. And they were rated to .600. Upgrade to duals good to .650. Manley, Pac, whoever. A little insurance goes a long way

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11-27-2011, 12:57 AM

#12

AKlowriderZ71

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I would replace them.

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11-27-2011, 01:14 AM

#13

blue0453

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I just replaced my prc 650s cause I thought I was getting valve float. They had 15k on them, think I wasted my money, but put a better spring in place comp 675s. Piece of mind I guess.

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11-27-2011, 07:39 AM

#14

tarinitup

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Had I changed my valve springs sooner I would have gone faster a long time ago. Blamed converter for turning up boost and not running faster when springs were too weak for application.

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11-27-2011, 04:02 PM

#15

Hemi2Slo

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I never would've dreamed springs would need changing after only 100000 miles. Heck they looked great and had great preassure when I changed cam a couple weeks back. What would be the symptoms of them going bad? Cause the truck is running better than it ever has right now.