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Which Plug?

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Old Jun 8, 2009 | 07:15 AM
  #1  
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From: Mobile Al
Default Which Plug?

I'm at 50,000 mi and I want to change plugs. Which plug is best for a stock LS1..04-C5?

Thanks.............
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Old Jun 8, 2009 | 08:40 AM
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NGK TR55

You should find the same answer if you search a little bit. Some may recommend the iridium version of the plugs for a longer plug life.
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Old Jun 8, 2009 | 09:17 AM
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From: Mobile Al
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Originally Posted by ctsv510
NGK TR55

You should find the same answer if you search a little bit. Some may recommend the iridium version of the plugs for a longer plug life.

Thanks...
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Old Jun 10, 2009 | 09:29 PM
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As mentioned a lot like to go the GM route as well.

||--Genuine GM Tune-Up Items--||

12495519 – GMPP red spark plug wire set – 60.00
12609877 – GM AC Delco Iridium spark plugs – 6.47 each
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Old Jun 11, 2009 | 10:16 AM
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Thanks Gene.
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Old Jun 11, 2009 | 10:27 AM
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Iridium FTMFW!!!!!
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Old Jun 11, 2009 | 12:12 PM
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From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
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NGK TR55 gapped @ 50 - enough said

Thanks,Matt
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