spark plug question

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10-19-2016, 04:16 PM

#11

Pumbah

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I have a 2014 gmc sierra on a 100 shot, so the ngk v power br6ef or br7ef should be fine? Also what should i gapped them too?....TIA

Last edited by Pumbah; 10-19-2016 at 04:23 PM.

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10-19-2016, 04:17 PM

#12

TXsilverado

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br6ef

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10-19-2016, 05:34 PM

#13

Pumbah

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What would i gapped them too? Also do you know how long before i change them?

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10-19-2016, 05:59 PM

#14

TXsilverado

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.032. plug change intervals would depend on how good/bad your tuneup is. just keep an eye on them. learn to read plugs.

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10-19-2016, 06:51 PM

#15

Pumbah

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Thanks for the input dude, and am guessing iridium would be better then copper despite the $$$ price right.

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