Anyone Put NGKs in a 3.7L yet? - Jeep Commander Forums: Jeep Commander Forum
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post #1 of 9 (permalink) Old 04-09-2008, 07:38 PM Thread Starter
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Anyone Put NGKs in a 3.7L yet?

I am curious if anyone has put the NGK Power V Core Copper Plugs (name?) in their 3.7L XKs yet and if there was a noticeable performance increase as well as fuel savings.

2006 4.7, Leather, Sunroof, Front Tow Hooks, K&N Filter, Rear Grab Handles, Hyper Yellow Fog Lights, 2" RevTek Lift, Cooper Discovery ST 245/75R17 Tires

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post #2 of 9 (permalink) Old 04-09-2008, 08:42 PM
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i like them in my 4.7L

i know it doesn't help any.

i also have them in my 300ZX. it has a 3.0L V6. it runs great with them.

i also had them in a toyota supra motor. 2.8L I6. in this truck. they made a difference in power and economy, when i could keep my foot out of it.

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post #3 of 9 (permalink) Old 04-09-2008, 10:18 PM
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SWEET. Supra motor in a rock crawler. I would be interested in those NGK plugs, go for it AK!!

Jon
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post #4 of 9 (permalink) Old 04-09-2008, 11:24 PM
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i thought i had showed it to everyone. i sold it to my brother about 2 years ago. he sold it last spring. the guy he sold it to rolled it 14 times and walked away thanks to my roll-cage.

supra motor.


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post #5 of 9 (permalink) Old 04-10-2008, 12:27 PM
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Whats the service interval on the NKG plugs for a 3.7L? I had iridiums in my Trailblazer and they ran over 100,000 miles berfore changing. The stockers are changed at every 30,000 miles right?

I was looking a the NKG since thats who makes the AcDelco plugs I have always ran.
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post #6 of 9 (permalink) Old 04-13-2008, 01:25 PM Thread Starter
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I don't know man. But I think I am gonna break down and add the NGKs to the list of what to put on the XK. Its going into the body shop on Friday for a week to fix my door and I am out of town for 10days so hopefully shortly afterwards I can get cracking on the install. It doesn't look like fun though.

2006 4.7, Leather, Sunroof, Front Tow Hooks, K&N Filter, Rear Grab Handles, Hyper Yellow Fog Lights, 2" RevTek Lift, Cooper Discovery ST 245/75R17 Tires

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post #7 of 9 (permalink) Old 04-13-2008, 01:51 PM
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I just replaced mine with NGK V-Power this morning and the old Champion plugs are totally totally totally shot after 30K.

I am now regreting a bit and may be I should used NGK Indium instead of V-Power since Indium suppose to last longer.

Btw, changing those plugs in a 4.7 is no fun.... not sure about 3.7L.
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post #8 of 9 (permalink) Old 04-13-2008, 02:18 PM
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Quote:
Originally Posted by supernsx
Btw, changing those plugs in a 4.7 is no fun.... not sure about 3.7L.
I haven't changed mine yet, but not looking forward to changing the 16 plugs that the HEMI has.

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post #9 of 9 (permalink) Old 04-13-2008, 03:12 PM
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Quote:
Originally Posted by jeep5253
I haven't changed mine yet, but not looking forward to changing the 16 plugs that the HEMI has.
That is easily the "understatment of the day".
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