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Spark Plug requirements making me nuts
To all, I have a 2008 Yukon Denali XL with the 6.2 engine. Coming up on 100k miles, so I plan on going through the vehicle and replacing fluids, O2 sensors, plugs, filters, etc. Going to add ca cold air system from K & N and then do a custom tune as well. My current problem is what spark...- Dave in Gig Harbor
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- Forum: Engine & Drivetrain
