Changing Spark Plugs - 5.7 Discussion - Jeep Commander Forums: Jeep Commander Forum
Regular Service / Maintenance This section contains discussion about regular service and maintenance (upkeep) of your Jeep Commander

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post #1 of 141 (permalink) Old 06-07-2007, 11:15 AM Thread Starter
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Platinum or Iridium plug upgrade for 5.7 Hemi

Has anyone upgraded there spark plugs yet with Platinum or Iridium plugs on there 5.7 Hemi?

If so what kind and how do you like them? Can you tell the difference in how it runs and mpg?

I'm looking for any feedback before I spend the money on this upgrade.

Pls also send links where to buy them for the best price.

Thx, TexasHemi

06 Commander Limited - Hemi, K&N Cold Air Intake, Magnaflow Muffler, NGK Platinum spark plugs, 245/65-17 Bridgestone Revo's

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post #2 of 141 (permalink) Old 06-07-2007, 08:00 PM
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Re: Platinum or Iridium plug upgrade for 5.7 Hemi

Use the search feature on the main tool bar and just type in iridium plugs or platinum plugs. One feedback part way down on this thread. Happy reading!!

https://www.jeepcommander.com/forums/...=iridium+plugs

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post #3 of 141 (permalink) Old 06-08-2007, 07:21 AM Thread Starter
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Re: Platinum or Iridium plug upgrade for 5.7 Hemi

DB_OHIO

Thanks for the link, however I read it already and it's talking about the 4.7 and not the 5.7 Hemi plug upgrade.

If you’re out there with a Hemi and you've done a Platinum or Iridium plug upgrade, I'd like your feedback.

TexasHemi

06 Commander Limited - Hemi, K&N Cold Air Intake, Magnaflow Muffler, NGK Platinum spark plugs, 245/65-17 Bridgestone Revo's

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post #4 of 141 (permalink) Old 06-15-2007, 03:15 PM
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Re: Platinum or Iridium plug upgrade for 5.7 Hemi

Quote:
Originally Posted by TexasHemi
DB_OHIO

Thanks for the link, however I read it already and it's talking about the 4.7 and not the 5.7 Hemi plug upgrade.

If you’re out there with a Hemi and you've done a Platinum or Iridium plug upgrade, I'd like your feedback.

TexasHemi
Did you ever get any feedback on this yet? I'm curious also.

2006 Silver Jeep Commander Limited 4X4 - 5.7L Hemi, Quadra Drive II, Navigation System, Chrome Fuel Door, Sunroof, Rusty's 2" Lift Kit, Moto Metal M0950 Rims, Goodyear Silent Armor 255/70/17, Front Skid Plate, 4XGuard Belly Skid Plate, RR Supersliders, Chrome Front Tow Hooks, AEM Brute Force Intake, and WeatherTech Floorliners. See Pics
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post #5 of 141 (permalink) Old 06-16-2007, 09:37 AM Thread Starter
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Re: Platinum or Iridium plug upgrade for 5.7 Hemi

No, CrzCajun. I may just do the upgrade and write my own review after I have the results. I probably wont do it for a while seeing that I only have under 9,000 miles on my Commander. I just was wondering if it made a big difference, I would do it right away. Thanks for inquiring.

Later, TexasHemi

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post #6 of 141 (permalink) Old 06-06-2008, 09:26 AM Thread Starter
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Ok guys, I have 18,000 miles on my Hemi and was revisiting the plug upgrade again.

Does anyone have any info for the Hemi plug upgrade?

Thanks, TexasHemi

06 Commander Limited - Hemi, K&N Cold Air Intake, Magnaflow Muffler, NGK Platinum spark plugs, 245/65-17 Bridgestone Revo's

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post #7 of 141 (permalink) Old 06-06-2008, 09:28 AM
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Welcome back TexasHemi, haven't seen you around for a long time.





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post #8 of 141 (permalink) Old 06-06-2008, 02:21 PM Thread Starter
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O I'm here all the time 49er, just lurking in the shadows. I only post when I have useful info or good feedback.

Thanks though 49er.

Getting HOT here and the Hemi does not like the heat! But that's old hat for you!

TexasHemi

Go Bears!

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post #9 of 141 (permalink) Old 06-06-2008, 06:42 PM
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I think we're all waiting on you so we could get some feedback!!! I think you should do the Iridium.

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post #10 of 141 (permalink) Old 06-06-2008, 10:31 PM
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He Tex,

I have the iridium plugs from Champion. Certainly felt a response difference and they have worked great. More pep and less sluggish. Hope this helps, PS- Pep Boys had them for 699 a pop, got 6 in DE and the popz picked up 10 in NY for me during that sale.

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