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Discussion Starter · #1 ·
I'm planning on swapping out the spark plugs this Sunday and wanted to make sure the ngk part number is 4177. Also wanted to know what is recommended for them to be gapped to? Its all stock besides a k&n drop in. Should I gap the plugs to what is recommended on the owners manual?(that is if it says what it should be gapped at)





And yes I used the search engine, and I'm pretty sure I'm not the only that think it sucks..yes I said it. Kill me. Lol
 

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2004 Sonic Blue Truck is # 3348 of 3781 built on 05/03/2004
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Discussion Starter · #3 ·
Thank you good sir
 

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Stock block 11 second club
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4177 is the correct number for NGK TR-6 but you have no need to run the cooler plug if your only mod is an air filter. Factory plugs and gap are fine for your current set up.

Learn how to use the search feature and you won't feel that way. It can take a little getting used to though. I've learned 10-fold more from the search feature than by starting threads.
 

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Discussion Starter · #5 ·
So I shouldn't bother running ngk plugs? That's what was installed by ret previously..
 

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TR-6 are a heat range cooler than the factory plug. This is necessary to help prevent detonation caused by higher charge temps when a more aggressive pulley combination is used. If your only mod is a drop in filter you have no need to run plugs in a cooler heat range.
 

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Discussion Starter · #7 ·
Thank you sir
 

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And yes I used the search engine, and I'm pretty sure I'm not the only that think it sucks..yes I said it. Kill me. Lol[/QUOTE]


YES IT SUCKS!!!!!! :bolt:bolt


Brad
 
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