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Guys who daily drive aggressive cam setups - Valve spring longevity?

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Old 06-30-2010, 07:40 PM
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i daily drove a MS4 cam for 2 years.... then i puked a rod lol... but the springs are holding up just fine still with the 408 spin to 7k every time i drive it
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Old 07-06-2010, 01:13 PM
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Is there an age limit on springs? My truck sees very few miles a year. It's not a daily driver...I think in the last 3 years it's been driven less than 10 miles total.
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Old 01-09-2014, 12:54 PM
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Bumping this old a$$ thread back up. Anybody else got any input on this. My thruck has a 220/581/112 on pac behives for about 50k and it still runs good, i think
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Old 01-09-2014, 02:23 PM
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2 years and going for me...
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Old 01-09-2014, 03:48 PM
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had 14k on my TEA .660 duals and am now running PRC .650 duals with my new heads. not sure how long they will last as I DD my truck but we will see
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Old 01-09-2014, 04:02 PM
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I have a bit of miles on my revised 918's and still don't get valve float.
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Old 01-09-2014, 04:46 PM
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Got 20k on mine at least boosted. Patriot dual golds
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Old 01-10-2014, 03:30 PM
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My PRC duals have probably 50k miles on them with a .564/.581 lift cam and it has not had an easy life.
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