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Spark Plug Heat Shield Removal

46303 Views 33 Replies 22 Participants Last post by  zzyzzx
im just curious about any long term ill effects on removing those spark plug heat shields on a 3.9 v6. im going to be installing the napa premium wires and just afraid off cooking the boots, thats all. Is it worth removing these things?
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What kind of plug wires are you running after removing these? Do you still need to run the OE style wires, or can you switch to the more conventional style?
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