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Unread 09-07-2013, 04:58 PM   #1
DoubleDown
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E3 Spark Plugs ?

Has anyone tried these ?

http://www.e3sparkplugs.com

I have an '83 CJ7 4.2L, Nuttered and Team Rush upgrade and was wondering if these plugs would help or hurt combustion chamber temperatures ?

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Unread 09-07-2013, 05:04 PM   #2
jeepwhore
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Save your money. Go with the tried and true Autolite or Champion plugs. Those fancy schmancy plugs seem to do nothing but make old CJ's run like ****.
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Unread 09-07-2013, 05:07 PM   #3
DoubleDown
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What "gap" should my champion plugs be set ? I looked again through the Team Rush post, but could not find anything. They are just factory set right now, but Jeep runs hot and I think that's why.
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Unread 09-07-2013, 05:13 PM   #4
LumpyGrits
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Save the $$$, those are 'snake oil'.
Gap .045", and see how she runs.
LG
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Unread 09-07-2013, 05:41 PM   #5
jeepwhore
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Quote:
Originally Posted by DoubleDown View Post
What "gap" should my champion plugs be set ? I looked again through the Team Rush post, but could not find anything. They are just factory set right now, but Jeep runs hot and I think that's why.
What do you mean, "runs hot"? As in coolant temp. wise? I've never heard plug gap affect operating temp. I'd say you have other issues.
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'84 CJ-7: Yota axles (spartan locked front, e-locked rear) 4" BDS, 1" Daystar & 3/8" shackle lifts, 35" X-Terrains on steelies, YJ Tub & family roll bar, heater blower upgrade, 4.2L w/MC2100 & Team Rush, Warn 8274. Rebuilt 4.2/4.0 hybrid, AX15 and twin sticks/clocking ring waiting to go in.

The advertised position for a topless, dirty jeep girl has been filled......by my wife. Thanks to all that applied.
<------------and yes, that is her.
:-D
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Unread 09-07-2013, 05:43 PM   #6
Tom95YJ
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Quote:
Originally Posted by jeepwhore

What do you mean, "runs hot"? As in coolant temp. wise? I've never heard plug gap affect operating temp. I'd say you have other issues.
The plugs spark will be too hot thus detonating the fuel before the piston can fully compress and you create a ping/knock
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Unread 09-07-2013, 05:44 PM   #7
vinnyabs
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X2 ddd1d. I put platinum plugs in and they burn too hot. Went back to my copper champions and a perfect color and smooth run. Just rebuilt the engine so I'm not risking a hole in a piston. You already made the upgrade with the nutter team rush combo. Only other thin you could do is msd ignition box instead of weak oem. Some will argue for HEI, but that has been exhausted an comes down to proper tuning and personal choice. Add the msd, put in a '81 mechanical dizzy and get your curve plotted right and that will be as perfect as you can ever wish for

The x2 was for LG's comment. My long winded ness let others sneak in between
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Unread 09-07-2013, 05:45 PM   #8
LumpyGrits
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Quote:
Originally Posted by DoubleDown View Post
What "gap" should my champion plugs be set ? I looked again through the Team Rush post, but could not find anything. They are just factory set right now, but Jeep runs hot and I think that's why.
If it's run'n "hot", you got other issues going on. Like either to lean a fuel mix(vacuum leak)or cooling system issues.
I run a 195* t'stat year round, and mine never gets over 210*.
LG
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Unread 09-07-2013, 05:47 PM   #9
WindKnot
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Anything but good old copper plugs in our old Jeeps are a waste.
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Unread 09-07-2013, 05:48 PM   #10
LumpyGrits
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Quote:
Originally Posted by vinnyabs View Post
X2 ddd1d. I put platinum plugs in and they burn too hot. Went back to my copper champions and a perfect color and smooth run. Just rebuilt the engine so I'm not risking a hole in a piston. You already made the upgrade with the nutter team rush combo. Only other thin you could do is msd ignition box instead of weak oem. Some will argue for HEI, but that has been exhausted an comes down to proper tuning and personal choice. Add the msd, put in a '81 mechanical dizzy and get your curve plotted right and that will be as perfect as you can ever wish for

The x2 was for LG's comment. My long winded ness let others sneak in between
Really, been run'm A/L 'plats' for 15 yrs or more. Never have had any issue. When I 'read' the plugs, they are a text-book tan color.
X2 on MSD!
LG
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Unread 09-07-2013, 06:29 PM   #11
Pacfanweb
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I don't care what plugs you put in it, they aren't going to make the engine run hot.

Copper are the best for a Jeep.
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Unread 09-09-2013, 10:25 AM   #12
wm69
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Autolite 985 copper plugs. That's what AMC put in your 258. Gap it to .045 and go.

E3 are garbage. Can't believe they still make them.
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Unread 09-09-2013, 10:32 AM   #13
LumpyGrits
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Quote:
Originally Posted by wm69 View Post
Autolite 985 copper plugs. That's what AMC put in your 258. Gap it to .045 and go.

E3 are garbage. Can't believe they still make them.
NOPE, my '85, 4.2L came with and still uses Champion RFN14LY.
LG
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Unread 09-09-2013, 11:01 AM   #14
waterdowg
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Quote:
Originally Posted by LumpyGrits View Post

NOPE, my '85, 4.2L came with and still uses Champion RFN14LY.
LG
Yep all my Jeeps have come with Champions. Nothing has worked better.
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Unread 09-09-2013, 03:32 PM   #15
Drugcoder
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Quote:
Originally Posted by LumpyGrits

NOPE, my '85, 4.2L came with and still uses Champion RFN14LY.
LG
When I search parts stores online they are saying the RFN14LY will not fit my '79 258. They suggest using the RN13LYC instead. Are they right?
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