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  1. #1

    Default Is anyone going to wait until 100k miles to replace plugs? Chevy Trailblazer Maintena

    I have around 62,000 miles on my 2002 tb and was thinking about changing the plugs sooner rather than later. With gas prices the way they are I would like to make sure that I am getting the most spark for my buck. Even for platinum plugs I would think 100,000 miles is an awful lot.
    Has anyone gone 100k? Has anyone changed them sooner?

  2. #2

    Default

    Pull a plug out and look at it. If it looks like its still in good condition then I would just leave them in. Those plugs are not cheap if you buy GM plugs. I remember when I went to get replacement plugs on a 98 lumina LTZ they were $60 for a set of 6 :shock:

  3. #3
    Jr. Engineer Rumpamuro's Avatar
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    Default

    Quote Originally Posted by TB~Mike View Post
    Pull a plug out and look at it. If it looks like its still in good condition then I would just leave them in. Those plugs are not cheap if you buy GM plugs. I remember when I went to get replacement plugs on a 98 lumina LTZ they were $60 for a set of 6 :shock:

    Really? I have a 1998 Lumina as well and i actually got mine for 11 bucks a pair, double platinum and everything, even the dealer was charging only 14 a pair plus install but if you cant install plugs yourself then you should stick to your day job no offence lol. I know it was a pain in the ass to get the ones in the back off but i mean wasnt that bad. next to like an oil filter whats cheaper than sparkplugs? lol i knwo lots of stuff.

  4. #4

    Default

    I have often wondered if the platinum plugs could be replaced by regular plugs?

    I mean they are just spark plugs. I know the platinum plug are supposed to last longer but WTF is the real difference?

    At 4 times or more the price are they really worth the price difference?

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  5. #5
    Legend unplugged's Avatar
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    Exclamation Not recommended

    With modern OBDII systems, misfires are detected and will 'throw a code.' Why change something when it isn't worn out? It would be like replacing perfectly good tires because they aren't the same diameter as new and they throw off the speedometer?
    Back in the day when I worked in a chevy parts store we had an MSD ignition demonstrator. You could open the gap of the demo electrode over 4" and it would still bridge the gap with a mean looking arc!
    Here is a great article on platinum plugs....and beyond. http://www.babcox.com/editorial/cm/cm120032.htm
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  6. #6

    Default

    what is the sparkplug gap should be??

  7. #7

    Default Re:plugs

    I too put some thought into plugs. I have an i6 and 6 platinum plugs are $212 Canadian...before taxes and install. Nice

  8. #8

    Default RE: Re:plugs

    Yeah, I'll leave mine in until 100k probably.
    Chevy Spark Plugs

    Steve
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