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Originally Posted by Hary Gahtoe I replaced my plugs with NGK Iridium and it made a very noticeable difference.They were worth it. I only have 35k so wires aren't an issue yet. I was able to replace the plugs without having to remove the washer resevoir. There was actually more than enough leaving it in place. I changed all 16 in less than 2 hrs. Most difficult installation drill is make sure you PRE crush the plug washer before you finally torque tha plugs down. Otherwise within a few trips you run a risk of compression loss or possibly having the spark plug backing out and seriously damaging your engine. |
How do you pre crush the plug washer? I thought you just tighten them and they will crush themselves?