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What's a good spark plug?Quick answer please

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Old Sep 6, 2005 | 04:18 PM
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Black-Syde
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Default What's a good spark plug?Quick answer please
1999 GMC 5.3 auto needs spark plugs bad. Which plug is a good plug to buy?
Thanks for the help in advance....
Danny
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Old Sep 6, 2005 | 04:19 PM
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ngk tr5's
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Old Sep 6, 2005 | 04:24 PM
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are those the TR55GP (3403)????
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Old Sep 6, 2005 | 04:25 PM
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I'd use NGK TR55's gapped at .055 if you're NA
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Old Sep 6, 2005 | 04:59 PM
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I got over 100,000 miles on the factory plugs. I'd go Delco again, but what I hear is NGK makes the plugs for Delco. So I guess either one will do the trick.
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Old Sep 6, 2005 | 06:13 PM
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Tr55's
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Old Sep 6, 2005 | 08:26 PM
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I run stock A/C delco Irriduim plugs gaped at .60 if your N/A there is no gain from the ngktr55, none that i have seen. and you can get them at any part store lol
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Old Sep 6, 2005 | 08:32 PM
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Originally Posted by v8
I run stock A/C delco Irriduim plugs gaped at .60 if your N/A there is no gain from the ngktr55, none that i have seen. and you can get them at any part store lol
No gain but they're real inexpensive which is great if you're constantly tearing into your engine doing performance mods
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Old Sep 6, 2005 | 08:35 PM
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oh your talking about the cheap ngk55 not the tr55, the tr55 run about 7bucks a piece.
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Old Sep 6, 2005 | 08:54 PM
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Originally Posted by v8
oh your talking about the cheap ngk55 not the tr55, the tr55 run about 7bucks a piece.
The tr55's are about $2 apiece. The tr55-ix is what you're thinking of. They are about $7 apiece.
Last edited by chevyerett; Sep 6, 2005 at 09:28 PM.
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