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ORiley's autoparts house is having a super sale on Champion double platinum spark plugs"$3.49 ea" but I haven't heard to many people talk about Champion spark plugs which leds me to ask: are Champion spark plus a good spark plug?
Like OAM said once upon a time they were the best.
Quit using them in the 90s seemed foul prone and it wasnt the tune
Been using Autolite since then with good luck
Now I understand they are made in China now
Not sure it matters but the white parts under the boots get some funky dark coloring on them right away. Not dirt dont know the significance
Not sure about AC.