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Do spark plugs tell a story?
I recently posted about weber carb inconsistant so yesterday i pulled each plug to have a look. #1 tan #2 looked almost new no carbon very little anything. maybe loose or bad wire( 4+ yrs old)#3black tan #4 # black #5 black #6 black with oil on all threads.The plugs have 1000k and are bosch WR8s. engine 6K on 2.8L 9.5cr E cams webers ported intake 37mm .So what do you guys think it all means?
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