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spark pluggin
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TOPIC: spark pluggin
#539
spark pluggin 6 Years, 4 Months ago  
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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#543
Re:spark pluggin 6 Years, 4 Months ago  
I am thinking about putting in new plugs, any suggestions are helpful
john
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#544
Re:spark pluggin 6 Years, 4 Months ago  
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.
OldInjun
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#545
Re:spark pluggin 6 Years, 4 Months ago  
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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