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I know this is not an auto repair Site. But with all the Chevy guys I see I figured it couldn't hurt to ask. It's time to do spark plugs on my 03 suburban 5.3. looking for some opinions on which Plugs too run.

Pioneer avn p4004 dvd for now

Jl e4300 replaced

Polk audio 4000.4 high & mids for now

Titanium 2000.1 subs amp for now

Crescendo BC2000D on the way 9/11 home at last

Infinity kappa 52.71

Infinity 3032cf

2 Memphis c3 15 d4

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run the better ones.. even if they cost 2 times or 3 times the prize. better ones last longer which cost less in the long run.. get AC Delco plugs

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Stock ignition system= stock plugs.

Get the ac delco plugs like Miguel suggested.

That being said a lot of people's definition of "music" is a clipped 30 hz sine wave with some 80 IQ knuckle head grunting about committing crimes and his genitals.

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Appreciate the reply's, I will check into ac.

Pioneer avn p4004 dvd for now

Jl e4300 replaced

Polk audio 4000.4 high & mids for now

Titanium 2000.1 subs amp for now

Crescendo BC2000D on the way 9/11 home at last

Infinity kappa 52.71

Infinity 3032cf

2 Memphis c3 15 d4

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I just replaced my plugs and wires. AC Delco platinum plugs, AC Delco wires. Make sure you set the plug gap. .060 it should be. Same as my 5.3. But on the chance it's different, double check it in your owners manual under the maintenance section.

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get iridium plugs.. they last a few thousand more miles over platinum. i think they are also more corrosion resistant

I don't have a chevy, but I can back up what Miguel says about the iridium plugs. They do seem to last a little longer.

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