C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Valve ?

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Old Sep 25, 2008 | 11:22 AM
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St. Jude Donor '06
Default Valve ?

Anybody ever used Summit branded valves?
If so, what is your experience, I am putting ported heads on my 93 and want to have the heads ready to go on before pulling my heads.
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Old Sep 25, 2008 | 11:53 AM
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If it were me, I would not go "cheap" on cylinder head parts, or there might be a crate engine in your future.

I understand you want to have the heads ready, but if you're on a budget, you already own all the stock parts you need.
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Old Sep 25, 2008 | 01:40 PM
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Thanks LT4
How do you get the valve guides out?
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Old Sep 25, 2008 | 02:02 PM
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Machine Shop.
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Old Sep 25, 2008 | 02:18 PM
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Have them checked, if they are old have them install new ones if they tell you they can knurl the ones you have run, its a waste of time.
A one piece stainless valve is reasonable and will be plenty strong. Most parts house brand pieces are in fact usually made my a larger mfr with their name .Ex : Summit ign systems made by Mallory. Same thing.
Id bet money their valves are Manley, SSI or something similar. Used both with no issues.
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