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Old 05-28-2013, 09:45 PM   #1
72chevynoob
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Question inner valve spring?

So I just installed the heads on my engine, and cam break in specs say to remove the inner valve spring. I took the retainer off, but can't get the inner valve spring out. It seems like I would need pliers. How do I remove them?
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Old 05-28-2013, 10:49 PM   #2
70CHEVYBB
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Re: inner valve spring?

I had the machine shop just not install mine. Remove both springs and then pull the inner out.
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Old 05-28-2013, 11:25 PM   #3
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Re: inner valve spring?

I've never had a cam go bad due to leaving the inner springs in during break in. Is is a very high lift with stiff valve springs or a stocker?
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Old 05-29-2013, 12:15 AM   #4
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Re: inner valve spring?

It is the comp cams xe268 with 110/330 springs. The inners seem wedged in though? Or do I just have to pull harder?
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Old 05-29-2013, 12:29 AM   #5
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Re: inner valve spring?

Is the inner a spring or a dampner? If the inner is flat it's a dampner not a spring.
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Old 05-29-2013, 12:48 AM   #6
72chevynoob
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Re: inner valve spring?

Well that makes more sense. It is a dampener. What is its purpose? Does it control spring rebound?
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Old 05-29-2013, 01:10 PM   #7
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Re: inner valve spring?

Controls spring oscillations, like a shock absorber. Your spring rate sounds high for a hyd flat tappet. Comp shows single spring w/dampner to be 105/273
330 open would probably be for a dual spring, one with inner round spring.
If you have the real dual spring at 330 I would remove inner spring, if it's single spring with dampner at 273 I would leave it as is to break in.
330 for a street hyd lifter sounds too high to me.
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Old 05-29-2013, 02:20 PM   #8
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Re: inner valve spring?

I looked again. 100/300. The cam calls for 110/330 though.
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