Spark Plugs
#1
Spark Plugs
I am going to be replacing my plugs soon and would like to know if there is any preference on brands for the HHR, mine being an LT with the 2.4L engine. I have seen some posts about using Autolites and also using OEM AC Delco also. Also, I plan to replace the plugs around every 60,000 miles, could I go down to platinum plugs instead of iridium and save a bunch of money without losing performance? Thanks for any input.
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