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Spark plugs

Spark plugs

Postby Chasmanian [OP] » Apr 02 2011, 7:09am

Ok,
Getting ready to do a tune up on my 07 GMC 5.3
Wondering what you guys are running for plugs?
I have always liked NGK's but am open for options.
Anything that can ad power or fuel economy is always a plus.

Thanks
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Re: Spark plugs

Postby EKinMN » Apr 02 2011, 2:40pm

We just had this discussion. See this thread: Spark plugs
This thread was a discussion regarding a member's 2004 truck, but all of the comments would apply to you as well, I believe.
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Re: Spark plugs

Postby bigwhite lly » Apr 02 2011, 3:59pm

what are these things called spark plugs? hahaha!! just being a smart a$$!!! i drive a big ol' diesel.
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Re: Spark plugs

Postby Z15 » Apr 02 2011, 4:12pm

Since 2004 most all GM engines have Iridium plugs standard and DO NOT need to be changed for 100,000 miles. I know my 2004 GMC had them in as OEM and I seen a GM bulletin that recommends them over Platinum plugs. Iridium can withstand much hotter temps.

Fyi-NGK is a maker of many oem plugs
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