GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

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Old Oct 3, 2011 | 09:11 AM
  #1  
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From: Alice,TX
Default SparkPlugs

whats up ppl i just bought msd 9mm wires just wondering what kind of spark plugs to get any advise would be great o yea i have a 07 nbss 5.3 thanx
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Old Oct 3, 2011 | 10:02 AM
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NGK TR55s
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Old Oct 3, 2011 | 10:09 AM
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yep the ngk's are what most of us run, best plug for the price...
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Old Oct 3, 2011 | 10:38 AM
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Whatever came stock in it
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Old Oct 3, 2011 | 11:39 AM
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Stock GM plugs are best unless you are running nitrous or boost.
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Old Oct 3, 2011 | 12:04 PM
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I just put in Bosch +4 Platinum plugs they seemed to smooth out the idle
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Old Oct 3, 2011 | 12:36 PM
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Originally Posted by BerryWS6
I just put in Bosch +4 Platinum plugs they seemed to smooth out the idle
So you fell into the trap. All those 4 ground straps do is shield the spark from igniting. What a gimmick. Believe it or not, the laws of physics do apply to them.
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Old Oct 3, 2011 | 04:34 PM
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Who makes stock OEM plugs? My pops just changed his with OEM ac delcos, and they look identical to some NGK's I have. Also the ac delcos said they have japanese components.
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Old Oct 6, 2011 | 10:47 PM
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Originally Posted by 1FSTMAX
Who makes stock OEM plugs? My pops just changed his with OEM ac delcos, and they look identical to some NGK's I have. Also the ac delcos said they have japanese components.
I think it's Denso now, but I'm not 100% sure.
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