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riptricket
 Post subject: spark plugs done...
PostPosted: Tue May 08, 2007 12:22 pm 
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went and bought the champion sparkplugs because they did not have NGK and precision tune auto care said that the plugs needed to be gapped at 0.35
i could have sworn that people on here said 0.4 gap? so is my gap okay?
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tjkj2002
 Post subject: Re: spark plugs done...
PostPosted: Tue May 08, 2007 12:38 pm 
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riptricket wrote:
went and bought the champion sparkplugs because they did not have NGK and precision tune auto care said that the plugs needed to be gapped at 0.35
i could have sworn that people on here said 0.4 gap? so is my gap okay?
The correct plug gap for the 3.7L is 0.042,your plug gap is to small and may not get the best performance and mpg from them.I'm not going to say anything about the champion plugs :twisted: .
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Joe Jeep Owner
 Post subject:
PostPosted: Tue May 08, 2007 1:37 pm 
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Dont mean to hijack but this thread reminded me that I have to change my plugs as well.

I did a search but coulnt find it, is there a write up (with pics would be good) on how to do this? This is my first vehicle without plugs and wires and I want to try it on my own.

Thanks

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chetos
 Post subject: Re: spark plugs done...
PostPosted: Tue May 08, 2007 2:05 pm 
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tjkj2002 wrote:
riptricket wrote:
went and bought the champion sparkplugs because they did not have NGK and precision tune auto care said that the plugs needed to be gapped at 0.35
i could have sworn that people on here said 0.4 gap? so is my gap okay?
The correct plug gap for the 3.7L is 0.042,your plug gap is to small and may not get the best performance and mpg from them.I'm not going to say anything about the champion plugs :twisted: .


My dad has the same feeling for champion plugs. Kinda rubbed off on my too! :P

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RAYMAN975
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PostPosted: Tue May 08, 2007 10:11 pm 
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i got the autolite single platinums, are those good for the liberty? i havent put em in yet

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Jeepjeepster
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PostPosted: Tue May 08, 2007 10:16 pm 
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RAYMAN975 wrote:
i got the autolite single platinums, are those good for the liberty? i havent put em in yet


Yes.. Alot of people like those/use them.. :)

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tjkj2002
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PostPosted: Tue May 08, 2007 10:28 pm 
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Jeepjeepster wrote:
RAYMAN975 wrote:
i got the autolite single platinums, are those good for the liberty? i havent put em in yet


Yes.. Alot of people like those/use them.. :)
That's what I'm currently using,very good plugs.
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carroll952
 Post subject:
PostPosted: Tue May 08, 2007 11:47 pm 
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Joe Jeep Owner wrote:
Dont mean to hijack but this thread reminded me that I have to change my plugs as well.

I did a search but coulnt find it, is there a write up (with pics would be good) on how to do this? This is my first vehicle without plugs and wires and I want to try it on my own.

Thanks


Here is a good write up on changing spark plugs:

http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?t=399

You don't have to move the overflow resevoir, I didn't. But keep in mind that the spark plug underneath that is a tight fit (don't use anything longer than a 10" extension, it won't fit).

Justin

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