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post #1 of 12 (permalink) Old 09-22-2013, 07:57 PM Thread Starter
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Spark Plug

Hey guys, when would be a good time to change out spark plug? i have an 09 cobalt ls with 65K. never been changed im the second owner
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post #2 of 12 (permalink) Old 09-22-2013, 08:00 PM
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Just do it now. Cheap preventative maintenance

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post #3 of 12 (permalink) Old 09-23-2013, 07:52 AM
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Yeah, you'll spend a little less than $30. When I did mine I could feel a huge difference in power. That's probably because the were stock plugs at 125000... damn po

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post #4 of 12 (permalink) Old 10-03-2013, 03:47 PM
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GM uses AC Delco Irridiums, good for up to 100k..your wasting your time and money at 65k, just clean them off and plug them back in.

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post #5 of 12 (permalink) Old 10-03-2013, 04:36 PM
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GM uses AC Delco Irridiums, good for up to 100k..your wasting your time and money at 65k, just clean them off and plug them back in.
But they only last that long in the best conditions ever. If that is 65000miles I think if you remove the plugs and find even one of them not meeting specs it is best to replace all of them, they have served you well. Like Banker says this is always a good and fairly cheap preventative maintenance since winter is coming and will make those cold morning starts a lot easier. Why wait until one cold january morning to have to change the plugs.

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post #6 of 12 (permalink) Old 10-03-2013, 05:20 PM
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But they only last that long in the best conditions ever. If that is 65000miles I think if you remove the plugs and find even one of them not meeting specs it is best to replace all of them, they have served you well. Like Banker says this is always a good and fairly cheap preventative maintenance since winter is coming and will make those cold morning starts a lot easier. Why wait until one cold january morning to have to change the plugs.
True story. If something costs me 30 bucks and I know it will make my car run more efficient, I'd change it too. I've changed my spark plugs probably 15 times in the past 40k miles I've owned it

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post #7 of 12 (permalink) Old 10-04-2013, 04:56 AM
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little excessive no ?

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post #8 of 12 (permalink) Old 10-04-2013, 05:38 AM
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I have changed my set up quite a few times, not excessive, preventative

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post #9 of 12 (permalink) Old 11-04-2013, 11:05 AM
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I changed all my plugs for about $25. Chances are you won't get huge gains like swanman was talking about, but it'll save you from having to worry about your car one day not starting. Pull em and check them, chances are you will need to change them if you've got 65k on the car.

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post #10 of 12 (permalink) Old 11-04-2013, 10:16 PM
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I do mine every 40K.

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