Has any one noticed if the #6 & #8 plugs hold up better than the other ones?
07-04-2005, 08:14 PM
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Has any one noticed if the #6 & #8 plugs hold up better than the other ones? I changed the plugs in the car yesterday. I'm assuming they were the stock plugs since they had ac delco on them. The car has 60,000 miles on it and the plugs were shot. Six of them were at 0.075" and burnt up bad (so much for that 100,000 mile tune up 
). Any way here's the deal, the #6 and #8 plugs were not burnt up and they were at 0.060" and 0.065". I've heard that if you take your car to GM for the tune up, they don't change the back plugs on the passenger side. It made me wonder if they do something to the car when its manufactured to make those two plugs last longer so they don't need to be changed. 
Hey its just funny how those two plugs were in alot better shape than the rest. Has anyone else noticed this?
). Any way here's the deal, the #6 and #8 plugs were not burnt up and they were at 0.060" and 0.065". I've heard that if you take your car to GM for the tune up, they don't change the back plugs on the passenger side. It made me wonder if they do something to the car when its manufactured to make those two plugs last longer so they don't need to be changed. Hey its just funny how those two plugs were in alot better shape than the rest. Has anyone else noticed this? 