Random spark plug question concerning #7 and #8

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02-24-2011, 05:26 PM

jt76

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Random spark plug question concerning #7 and #8

Since there is an issue with these cylinders running hot, wouldnt it make sense to run a colder plug on these cylinders? Just brainstorming.. discuss!

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02-24-2011, 05:31 PM

baalic

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I would keep the same plugs all the way around... Last time I had mismatched plugs my car ran like *** and sounded like it was missing and and kinda idled rough. Now if I change 1 plug I change them all...