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Which Spark Plugs ?

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Old 06-18-2008, 04:45 PM
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Default Which Spark Plugs ?
Guys.....looking for some input, ready to go with a new set of Plugs.....should I Stick with OEM Plugs,A/C Delco or another brand??
Last edited by MADS99; 12-12-2013 at 08:57 PM.
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Old 06-18-2008, 05:10 PM
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Ngk Tr-55











nuff said
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Old 06-18-2008, 06:20 PM
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+1 on the NGK's
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Old 06-18-2008, 08:10 PM
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Go with either NGK's or AC Delco's, stay away from E3's, Bosch, and any other gimmicky junk
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Old 06-18-2008, 08:17 PM
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Thanks guys for your help,I think I'm going to stay with A/C Delco..
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Old 06-18-2008, 08:30 PM
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good choice!!!
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Old 06-20-2008, 03:53 PM
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All right guys picked up new plugs A/C Delco 41-985 They say the plugs are Gaped at 0.040, But the plugs in the truck are gaped at 0.60 and the tag on the cowl reads 0.60, also the plugs in the truck are #41-952.....If someone can give me some input,Thanks
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Old 06-20-2008, 11:10 PM
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Are the new plugs Iridium? If so, they're supposed to be gapped differently, I thought it was .045, but I guess it could be .040. If they're platinum, they should be gapped at .060.
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Old 06-21-2008, 04:40 PM
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The new ones I got are Iridium A/C #41-985. Thanks Budhayes3 for your help.
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Old 06-21-2008, 10:10 PM
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Glad to help...pretty sure that Iridiums are pre-gapped since it's very easy to snap the iridium tip while attempting to gap them
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