spark pluggin 12 Years, 7 Months ago
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hey guys, what type spark plugs are you all using on your 421s, happy with, tried, avoided, champion 44/45?..other...
and how bout plug wires? give us some feedback, don't make old injun do all the work!
John
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Re:spark pluggin 12 Years, 7 Months ago
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I am thinking about putting in new plugs, any suggestions are helpful
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Re:spark pluggin 12 Years, 7 Months ago
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I'm using AC's simply because they look correct. Have put 10K+ miles on them in 2 years (including a bunch of 1/4-mile trips) with satisfactory performance.
As for wires, I'm using dated coded repro's from Ames.
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Re:spark pluggin 12 Years, 7 Months ago
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which ACs,44?/45s? some plugs run hotter, seems some switch from ac to champion,
would stick vs auto make a difference?, or using 068 cam?
anyone besides old injun who can step up to offer some info?......
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