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post #1 of 42 (permalink) Old 03-26-2009, 09:59 AM Thread Starter
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E3 Spark Plugs

Does anybody know anything about these E3 spark plugs or have used them? Here's the link to them: http://www.autotrucktoys.com/jeep_co...3133C6743.aspx

I'm looking at getting some new spark plugs for my 3.7L Commander and was wondering what's the best choice. Any input would help.
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post #2 of 42 (permalink) Old 03-26-2009, 04:03 PM
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Originally Posted by JerseyDrew77 View Post
Does anybody know anything about these E3 spark plugs or have used them? Here's the link to them: http://www.autotrucktoys.com/jeep_co...3133C6743.aspx

I'm looking at getting some new spark plugs for my 3.7L Commander and was wondering what's the best choice. Any input would help.

I have them in my Jeep and Love them!! 5 year/100,000 mile warranty. 2.5-3 mpg gallon better too. I highly recommend them!!

2007 Sport 4.7L Bought New in Dec. of 07' w45 miles. Now has 70k+ Miles & 8 pages of Repair orders-255/65/17 Nitto Crosstek's, Flowmaster 50 SUV, A/C Delco Double Platinum copper cores, AMS Oil All the way around, K&N Air Filter, Weather Tech Floor mats, Lifetime Bumper to Bumper Warranty Exp.- 2082
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post #3 of 42 (permalink) Old 03-26-2009, 04:17 PM
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Originally Posted by MMOPAR85 View Post
I have them in my Jeep and Love them!! 5 year/100,000 mile warranty. 2.5-3 mpg gallon better too. I highly recommend them!!
What engine do you have?

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 #4 of 42 (permalink) Old 03-27-2009, 12:47 AM
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4.7 16,000 miles w/k&n drop in and syntec...over the last 3 months I've averaged 16.2 MPG, that includes wheelin' (When I was allowed.) through the "washes only" of course...

2007 Sport 4.7L Bought New in Dec. of 07' w45 miles. Now has 70k+ Miles & 8 pages of Repair orders-255/65/17 Nitto Crosstek's, Flowmaster 50 SUV, A/C Delco Double Platinum copper cores, AMS Oil All the way around, K&N Air Filter, Weather Tech Floor mats, Lifetime Bumper to Bumper Warranty Exp.- 2082
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post #5 of 42 (permalink) Old 03-29-2009, 08:42 PM
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I am thinking about those for my Hemi; or some Bosch platinum +2

Brendon

07 Limited, Hemi, factory skid plates (dented and scratched
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), 4XGuard rock rails, OME HD springs and shocks, Spidertrax, Goodyear Dura Trac 245/70-17
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post #6 of 42 (permalink) Old 04-06-2009, 12:34 AM
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they are on sale at Kragens for $5.99 each. E3 part #E366 for the 5.7 HEMI XK and E348 for the 3.7 or 4.7. I would of gotten the E3 back then but the NGK Iridiums were a few bucks less for each one. Now they are only $6 each...can't go wrong.

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post #7 of 42 (permalink) Old 04-06-2009, 06:16 PM
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For the 2008+ 4.7 they dont make the E3 plugs yet, or at least thats what they say on their site, but they do make them for the 3.7 and the 5.7 Anyone know why?
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post #8 of 42 (permalink) Old 05-27-2009, 04:54 PM
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E3 Spark Plugs

I was wondering if anyone knows the correct part number for the 4.7 Liter Flex Fuel engine. I went to the local Pepboys last week to buy some E3 plugs and their computers only listed the 4.7 liter and the 5.7 liter engines. There was nothing listed for the flex fuel engine. So I ended up getting the plugs listed for the normal 4.7 liter engine and was on my way. The part number for the plugs was E3.56

I happened to be in a different auto parts store the following day and out of curiosity asked if they could tell me what plug I was supposed to be running. Well thier computers listed both the 4.7 liter and 4.7 liter flex fuel however it stated that the part number for both engines is E3.48

So at this point i'm wondering if the other store gave me the correct plugs. Well the guy found the E3 book used to cross reference other plugs to the E3 plugs and things got even more confusing. He used the part number for the champion plug that comes stock in the 4.7 liter flex fuel engine and the book stated that I was supposed to be running the E3.64

He then cross referenced the current plugs that I was running (NGK V Power) and the book said I was supposed to use the E3.56 (the plugs I purchased originally). So i ended up just installing those plugs but im wondering if I even installed the correct ones.




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete

Last edited by 07JeepXK; 05-27-2009 at 06:48 PM.
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post #9 of 42 (permalink) Old 05-28-2009, 02:42 PM
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whats the difference between the plugs?

gap?

heat range?

compare those to the stock set up and go from there
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post #10 of 42 (permalink) Old 05-28-2009, 03:17 PM
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Im not exactly sure what the difference is between the plugs. Even the guys at the auto parts store didnt have a clue. I emailed E3 directly and never got a response from them.




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete
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