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Generation III Internal Engine 1997-2006 LS1 | LS6
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copper valve guides

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Old 07-14-2011, 03:24 PM
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Question copper valve guides
building heads noticed one valve guide has no clearance with valve, so when valve opens and closes it does some tight, im afraid when it gets hotter it may get that tight that valve does not work as it should, should i drill it out? or it will work just fine?
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Old 07-14-2011, 05:03 PM
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DO NOT DRILL IT OUT!

Take it to a cylinder head machine shop so they can measure the clearance and hone it out with the proper equipment.
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Old 07-15-2011, 01:58 PM
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Originally Posted by KCS
DO NOT DRILL IT OUT!

Take it to a cylinder head machine shop so they can measure the clearance and hone it out with the proper equipment.
ok won't drill them then, valve opens and closes something tight, and it's only one of them u recommend i do go with specialist?
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Old 07-15-2011, 02:24 PM
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just take it to a machine shop (particularly one that works with heads) and have them inspect and measure for clearance.
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