gonna do a tune up for first time just curious what kinda spark plugs u guys used for your hhr any help will be good thank u

 

Why are you changing them?

Page 6-6 on the owner's manual suggests at 100,000.

 

They really will last to 100,000 When you do need to change them, use anything but champion, and make sure you use a platinum tip plug so they last.

 

most of the cobalt guys are going with ngk's

 

Save your money for mods......wait til at least 50,000 miles.

 

I agree....unless of course you arre doing some SERIOUS racing.

 

<<< do it.. change the plugs.... its okay ...

<< went to one range colder.. due to the mods I did..

 

not changing for a long while, but considering Iridium if NGK has them for our applications by then...

 

dude your sig is way wide

 

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