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Old 06-05-2022, 02:45 PM   #1
72longstepper
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Location: Carnation, WA.
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Spark plug suggestions anyone?

Time to tune up my 99 Silverado 5.3 I just bought. Bought some Taylor Made 8mm wires and wonder what plugs you guys have run or should I just
buy the recommended ACDelco? Stock engine/exhaust with AEM Cold Air Induction installed. Will also be "TRYING OUT" a Dragon Works performance chip.
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Old 06-05-2022, 09:40 PM   #2
'68OrangeSunshine
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Re: Spark plug suggestions anyone?

AC Delco's quality dropped once they went to Mexico. I now use Denso plugs. No problems with them.
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Old 06-05-2022, 10:49 PM   #3
Getter-Done
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Re: Spark plug suggestions anyone?

Autolite is always my first pick.
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Old 06-05-2022, 11:05 PM   #4
cwcarpenter98
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Re: Spark plug suggestions anyone?

I've been running NGKs in my truck. I like them and haven't had any issues so far
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Old 06-06-2022, 01:52 PM   #5
72longstepper
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Re: Spark plug suggestions anyone?

TY All for taking the time to reply. After reading a bunch of reviews I bought NGK 3951 (TR55) on good ole Amazon.
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