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Spark plugs

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rolex_26_99

Post subject: Spark plugs

Posted: Mon Jun 06, 2011 9:25 am

Dolphin

Joined: Sat May 08, 2010 3:27 pm
Posts: 92
Location: Montreal, Quebec, Canada

Have a 7.4 volvo should I change the spark plugs if the engine starts and runs nice?

How often or when should you change?

_________________
97 258 vista 7.4 VP/DP......... 2008 GMC Yukon XL Denali

96 sundowner 5.7 vp/sx (SOLD)

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Paul I.

Post subject: Re: Spark plugs

Posted: Tue Jun 07, 2011 9:45 am

email admin your custom rank

Joined: Sun Nov 21, 2010 8:03 am
Posts: 2238
Location: Winthrop, Ma.

You are not saying when this set was put in or how many hours on it?? For face value, if it runs great, don't touch it.

If your hours are very high on them, you might want to change them.

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rolex_26_99

Post subject: Re: Spark plugs

Posted: Tue Jun 07, 2011 9:57 am

Dolphin

Joined: Sat May 08, 2010 3:27 pm
Posts: 92
Location: Montreal, Quebec, Canada

I'm the third owner baught it last season no idea how old they are but it starts great.

_________________
97 258 vista 7.4 VP/DP......... 2008 GMC Yukon XL Denali

96 sundowner 5.7 vp/sx (SOLD)

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