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Unread 01-19-2014, 09:57 PM   #1
ChopperX
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1997 ZJ 
 
Join Date: Jun 2011
Location: Brea, CA
Posts: 22
Looking at new Spark Plugs

Hey guys so my car is due for a tuneup since I have never gotten one since I owned my jeep. I put 50K miles on it since I bought it in 08.

Instead of going to the auto shop and ******* II loads of money on labor I have a friend that has experience and he and I can do this together.

What do you recommend for plugs. I was looking at autozone and they had iridium and platinum plugs in addition to the standard plugs. Also if you think I should look elsewhere let me know. Any help and guidance would be great

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Unread 01-19-2014, 10:13 PM   #2
jbsj33p
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1993 ZJ 
 
Join Date: Feb 2012
Location: , Virginia
Posts: 236
The 4.0 seems to like the basic champion coppers best, that's what I run in all my jeeps. For the distributor cap you might look into one with brass terminals, the brass holds up better than the aluminum and the brass caps seem to be better made than the aluminum caps.
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Unread 01-19-2014, 10:59 PM   #3
NewtoZJ
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1998 ZJ 
 
Join Date: May 2012
Location: Columbus, Ohio
Posts: 201
If you want to go all out with some good quality products, contact Kolak about his ignition upgrade.
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Unread 01-19-2014, 11:02 PM   #4
WhiteOut
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1998 ZJ 
 
Join Date: Dec 2007
Posts: 8,199
Stock Champion Coppers only. Or the Kolak upgrade.
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Unread 01-20-2014, 01:37 AM   #5
Speedymcracer01
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Join Date: Feb 2013
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I have bosch platinum +4's. They have a little over a 150k + on them. Just a few months ago i pulled them and cleaned them to find out they didn't have much wear at all. They are still going strong for a every day driver,and my 2 hour commute to work and back. I'm impressed they are in such good condition after around 4 years. They where around $6 to $7 dollars a plug. But these have been well worth it so far.
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Unread 01-20-2014, 04:44 PM   #6
ChopperX
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1997 ZJ 
 
Join Date: Jun 2011
Location: Brea, CA
Posts: 22
Okay well it seems that I will look into the coppers because I drive 20 miles a day on city driving. So I think that should be fine.
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Unread 01-20-2014, 04:49 PM   #7
PolkaPower
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1998 ZJ 
 
Join Date: Aug 2011
Location: The Abyss, Italy
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Copper is what the motor is built to have. All that other stuff is just to make you feel cool.
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Unread 01-20-2014, 05:07 PM   #8
vivanapoli806
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Join Date: Dec 2013
Posts: 8
I just bought a crown tune up kit for my zj. Came with champion copper plugs I believe. You can get the entire tune up kit for $60 includes spark plugs, plug wires, distributor cap with rotor, air filter, and oil filter. Pretty cheap for everything
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Unread 01-20-2014, 05:08 PM   #9
Gearhead31
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1995 ZJ 
 
Join Date: Feb 2012
Location: St Pete, Florida
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Ditto, anything above the champion copper plugs is just for the cool factor. Doesn't help much. The only real benefits you might see out of dropping huge money on specialty plugs is longer lifespan. But for how much the cheapo plugs cost, it's pretty much the same in the long run just my $.02!
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Unread 01-20-2014, 06:15 PM   #10
TKFlight
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1995 ZJ 
 
Join Date: Jun 2013
Location: , PA
Posts: 42
Denso wires, champion plugs, accel crap/rotor. Champion plugs are what the most people run on this forum, I personally recommend Denso wires(I got recommended these on a thread before) . Also go with a Brass rotor, just do it. Its quite easy to install spark plugs, the only one that's hard to get to is the one next to the A/C. I also recommend investing in dielectric grease, but that's just me. Just Make sure your plugs are gaped to .035. So if you don't have a spark plug gapper, buy one lol.
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