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

Recommended sparkplugs for LT1

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Old Jun 24, 2007 | 12:21 AM
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Default Recommended sparkplugs for LT1

Stock plugs or "high performance" sparkplugs? Anybody know a good brand to go with????
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Old Jun 24, 2007 | 01:20 AM
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NGK Platinum or Iridium.

Others will talk about cheap old copper core plugs. I don't like changing plugs that often.
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Old Jun 24, 2007 | 01:35 AM
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have a 96 LT4...NGK is a good plug don't waste your money on iridium. I use NKG's and the standard AC plug is fine.
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Old Jun 24, 2007 | 01:42 AM
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Ngk Tr55
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Old Jun 24, 2007 | 07:46 AM
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Originally Posted by STL94LT1
Ngk Tr55
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Old Jun 24, 2007 | 09:45 AM
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Originally Posted by elefkow
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Old Jun 25, 2007 | 08:19 AM
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NGK TR-55 Double Platinum.
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