LQ4 valve seal clarification - LS1TECH - Camaro and Firebird Forum Discussion

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LQ4 valve seal clarification

Old 01-05-2019, 12:30 AM
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Default LQ4 valve seal clarification

I did some searching and found some info regarding my question, but I'm hoping to get a warm fuzzy for my particular situation.

I'm replacing the valve seals in my 01 Silverado with an LQ4 as general maintenance. It has 317 heads with all the factory hardware untouched. Does anyone know if it uses the old style seals or the newer "top hat" seals, or do I need to pop a valve cover to confirm? I'll be retaining the stock beehives. If it has the old style, is it possible to use the newer design in their place without any issues? I was planning on going with Fel-Pro either way. Thanks.
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Old 01-05-2019, 01:38 PM
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I don't know about the LQ4 specifically, but the only reason not to use the newer style is if you go to double springs. The top hats are definitely easier to install than the old style, and the springs keep them from popping up.
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Old 01-05-2019, 02:30 PM
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Stock 317 heads use beehive springs and will have top hat style seals. There's no need (or point) to switch to the other style seal unless switching to dual springs.
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Old 01-06-2019, 02:05 AM
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Thanks guys, I'll order the top hat style then.
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