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#1
08-06-2007, 10:49 AM
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Spark Plugs
When I had my 99 I was told by several people that the NGKtr55's were the best alla round plug for the 5.3 engine.
Now that I have a 98 with the 5.7, what is the best plug to use? I want something thats close to factory.
__________________
1998 ECSB Z71
Whelen LED's Kenwood 2-way "BIG 3" 2500+ watt audio  
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#2
08-06-2007, 10:59 AM
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Re: Spark Plugs
A C Delco(can't get any more factory than that
 ). They make a platinum plug,and a rapid fire plug version for these trucks. I've used the Delcos in my '94 1/2 ton since it was brand new and never had any problems.
__________________
Thought for the Day… Alcohol does not make you fat - It makes you lean... against tables, chairs, floors, walls and ugly people.  If a prostitute here in America loses her job to a prostitute in India , is that considered "outwhoring"??-Jay Leno
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#4
08-06-2007, 02:27 PM
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Re: Spark Plugs
Sweet. Thanks guys. Thats what I was really leaning towards. Oh, are the factory ones platinum, or what?
__________________
1998 ECSB Z71
Whelen LED's Kenwood 2-way "BIG 3" 2500+ watt audio
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#5
08-06-2007, 02:49 PM
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Re: Spark Plugs
Do you mean the replacement factory ones( like the 41-932 plug)? The answer is yes. Here's a link that can give you more info:http://www.acdelco.com/parts/sparkplugs/
__________________
Thought for the Day… Alcohol does not make you fat - It makes you lean... against tables, chairs, floors, walls and ugly people. If a prostitute here in America loses her job to a prostitute in India , is that considered "outwhoring"??-Jay Leno
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#6
08-06-2007, 03:10 PM
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Re: Spark Plugs
Yep. I mean the ones just like the ones that came in it from the factory, unless there is a better alternative.
Reason I'm changing is.. When I had so much trouble with the head gasket, the dumbass who fixed it under warranty broke one of my plugs and replaced it with some cheap-o, so now I have 7 factory plugs, and 1 random generic brand. It might not be hurting anything but I don't like it.
__________________
1998 ECSB Z71
Whelen LED's Kenwood 2-way "BIG 3" 2500+ watt audio
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#7
08-17-2007, 04:36 PM
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Re: Spark Plugs
I would stick with AC Delco but does anyone know anything about the E3 sparkplugs?
Last edited by OSUCowboy27; 11-06-2007 at 03:22 PM.
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#8
08-17-2007, 05:52 PM
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Re: Spark Plugs
Those ac platinums are great. I don't really know why I replaced my first set at 110k- there was very little wear if any. Now I'm at 217k, so I might just have to pull one to see what it looks like
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