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Old 08-09-2005, 12:27 PM
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Default Plugs?

Anyone tell me what kind of plugs they are runnin for there truck, looking to change mine out thks, i got a 02 GMC 5.3 rcsb.
Old 08-09-2005, 12:46 PM
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NGK TR55
Old 08-09-2005, 01:09 PM
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Originally Posted by white1
NGK TR55
yep, the only way to go.
Old 08-09-2005, 02:12 PM
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same here
Old 08-09-2005, 02:15 PM
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what is the recommended miles before change spark plugs?
Old 08-09-2005, 02:25 PM
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dont know, mine had 80k on it when i changed the plugs when i did the cam swap
Old 08-09-2005, 02:30 PM
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Originally Posted by white1
NGK TR55
yep...me too
Old 08-09-2005, 04:38 PM
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What do yall gap them at?
Old 08-09-2005, 04:59 PM
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Don't they come pre-gapped?
Old 08-09-2005, 05:18 PM
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How hard is it to change the plugs in these trucks?. I am looking to replace mine with some NGK's. It's got 65,000 miles on it now.


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