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Old 09-11-2011, 01:36 PM   #1
chevy 68
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Default valve sprig life

BB Chevy 502 crate, stock, comp cams spring 2 yrs old. Springs tested between 200-240, I assume a bad one would be about 160?

Thanks,

Bob Smith
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Old 09-11-2011, 06:02 PM   #2
daninline
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Default Re: valve sprig life

Bob it looks like the factory springs are around 130 to 140, 200 to 240 seems way to much for a hyd lifter. the big question is will it cause a intake pop on the upper RPM range like you have seen....
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Old 09-11-2011, 06:08 PM   #3
chevy 68
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Default Re: valve sprig life

so how long do springs last?
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Old 09-11-2011, 07:51 PM   #4
daninline
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Default Re: valve sprig life

Quote:
Originally Posted by chevy 68 View Post
so how long do springs last?
forever just keep lowering your shift light RPM's
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Old 09-12-2011, 07:50 PM   #5
72Malibu
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Default Re: valve sprig life

I'm using Brodix' GA1000 springs on their racerite heads .708/.708 solid roller and I get 2 yrs out of them. 450-500 passes.
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