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Old 04-08-2010, 10:13 AM
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Re: Spark Plugs - What not to buy & do?

So what plugs are recommended for the 4.7HO?? Still Champs or NGK??

2004 WJ Overland
100% stock
15.92 best e.t. w/ 2.29 short time :mad:

2002 GMC Sierra 2500HD
Duramax Diesel/Allison Tranny
6800 lbs
13.0 @ 103 (4wd) w/ 1.72 short time :thumbsup:
470 whp / 900 wtq
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Old 04-08-2010, 03:35 PM
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Re: Spark Plugs - What not to buy & do?

The 4.7L HO requires a platinum tip plug and I've always used the champion (same as OEM) in mine.
01' WJ Larado - 4.0L i6
04' WJ Freedom Edition - 4.7L HO
07' WK Limited - 5.7L Hemi
09' Mustang GT - Good For the Soul

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