3.8l Spark Plug Replacement

[RockinAZJK]

Ok, so I’m sure this has been answered before but I couldn’t find it in a search, so feel free to direct me to another post.

Going to change my spark plugs this coming weekend. Does anyone have a specific brand or line of plugs they liked for the 3.8 or any to avoid?

Thanks in advance!




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[MSJKU11]

I went with OEM and worked fine. Champion RE14PLP5 (7440) Double Platinum Spark Plug




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[BaddestCross]

x2 for OEM Champion plugs.

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[Slimebones]

Yes, as stated above, go with OEM. Avoid aftermarket (and more expensive) plugs that promise MORE performance. Waste of money.

 

[BobNH]

Crap. Somewhere, I posted a pic and Matco part number for a spark plug socket on a swivel that is supposed to work pretty slick for removing the plugs, the ones by the firewall in particular.
Found the post, here is the pn
Matco 3/8" Drive BDUUP206PA Double Wobble 5/8" Impact Spark Plug Socket
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[19YJ94]

Yeah as stated above, oem plugs and wires. If you replace the plug wires buy the plastic tray on the passenger side. And route the wires behind by using string tied to them. Theres a good write up on here somewhere.

 

[marcusjames2]

I’ve tried other plugs and wires in mine and usually ended up with problems eventually. Definitely better sticking with OEM.


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[BaddestCross]

I’ve tried other plugs and wires in mine and usually ended up with problems eventually. Definitely better sticking with OEM.


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I used OEM plugs, but upgraded to LiveWire distributer and wires. Runs really well.

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[Vilmars]

I used Bosch iridium and denso wires. It’s been three weeks and no issues.


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[Stotch]

Another vote for OEM Champions and I got a u-joint style spark plug socket that made things much easier.

 

[cozdude]

Stock plugs are double platinum champions. I would just grab them from your local auto parts store.

 

[dillard09]

I used OEM plugs, but upgraded to LiveWire distributer and wires. Runs really well.

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Build Thread - Adventures of Fiona - https://wayalife.com/showthread.php?t=47407

Thats the same thing i did. And it ran as good as my 3.8 ever did. The Chinchillas were happy.

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[RockinAZJK]

I used OEM plugs, but upgraded to LiveWire distributer and wires. Runs really well. [emoji106]

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Build Thread - Adventures of Fiona - https://wayalife.com/showthread.php?t=47407

I had those on my ram and loved it. This time around I’m not wanting to replace the coil at the moment and online they only have the live wires as a package with the coil.


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[RockinAZJK]

Thanks everyone! Replacing plugs, wires (jba powercables for the heat resistance), and upper intake gasket on Sunday.


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[BaddestCross]

I had those on my ram and loved it. This time around I’m not wanting to replace the coil at the moment and online they only have the live wires as a package with the coil.


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Quadratec sells them separately, I believe.

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[BaddestCross]

Thats the same thing i did. And it ran as good as my 3.8 ever did. The Chinchillas were happy.

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Gotta keep them chinchillas happy!

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[Zstairlessone]

Yep OEM when I changed mine just over 100,000 miles they were still going strong


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