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Unread 09-05-2009, 09:48 PM   #1
doherty80
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spark plug help

I'm thinking about new spark plugs for my motor while i have it out. i hear the e3 ones are good whats the best mid range for price or are the e3's quailty. thanks guys 4.2L 5spd 90 laredo

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Unread 09-05-2009, 10:01 PM   #2
yellow2kgt
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I run the autolite 985s(cheap plugs) and have had no problems for the last 4 years. I have never been a big fan so called performance plugs.
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Unread 09-05-2009, 10:04 PM   #3
turtlerace
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Copper only. Many, many people have issues with the basic jeep engines vs the fancy complicated spark plugs.
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Unread 09-05-2009, 11:47 PM   #4
Castr8r
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I was not impressed with the E-3s, and have gone back to the copper plugs that work well.
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Unread 09-05-2009, 11:53 PM   #5
4.7stroker
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There are a lot of gimmics out there and this is just one of the latest.
Not to long ago scam artists were selling small 12v fans and marketing them as "electric turbochargers" nothing more than a scam.
Your rig will respond well to a tune up using quality stock replacement parts.

Dwayne
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Unread 09-06-2009, 09:00 AM   #6
Mean Max
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Quote:
Originally Posted by yellow2kgt View Post
I run the autolite 985s(cheap plugs) and have had no problems for the last 4 years. I have never been a big fan so called performance plugs.
I used to buy the standard Autolite 985 plugs from Wal-Mart and I had no issues with using them. Then the local Wal-Mart stopped carrying them, and they only stocked the Autolite AP985 "Platinum" plug. They cost about $4-$5 for a 2-pack.

I started using them in all 3 of our 4.0L Jeeps with excellent results.

Max
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Unread 09-06-2009, 09:05 AM   #7
yjjeepster
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Standard Autolite 985's all the way. For the price difference for the fancy platinum or titanium or irridium you will not see any difference versus standard Autolites.
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Unread 09-07-2009, 08:34 AM   #8
doherty80
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alright copper it is thanks fella's
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