Is an NGK Laser Platinum absolutely the wrong plug for a 90's Jeep?

"If only EssExTee could be so grossly incandescent" (essextee) 10/14/2020 at 13:36 • Filed to: None

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Yes. Do I happen to aready have them on hand and not give a shit? Also yes.

Future next gen S2000 owner > If only EssExTee could be so grossly incandescent 10/14/2020 at 13:43

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You broke the headline rule.

Shame.

WasGTIthenGTOthenNOVAnowbacktoGTI > If only EssExTee could be so grossly incandescent 10/14/2020 at 13:44

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Laser Platinum is going to be the name of my new band.

I called it first.

If only EssExTee could be so grossly incandescent > Future next gen S2000 owner 10/14/2020 at 13:44

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?

WasGTIthenGTOthenNOVAnowbacktoGTI > Future next gen S2000 owner 10/14/2020 at 13:45

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It’s ok because the answer was yes.

If only EssExTee could be so grossly incandescent > WasGTIthenGTOthenNOVAnowbacktoGTI 10/14/2020 at 13:45

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Fine. I’ll take Iridium Nine , then.

dogisbadob > If only EssExTee could be so grossly incandescent 10/14/2020 at 13:46

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NGK Laser Platinum is a great choice.

If the job is difficult, you should consider iridium, which lasts longer so you won’t have to do it again for a long time

WasGTIthenGTOthenNOVAnowbacktoGTI > If only EssExTee could be so grossly incandescent 10/14/2020 at 13:50

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RacinBob > If only EssExTee could be so grossly incandescent 10/14/2020 at 13:54

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It looks like the threaded body is the same length which is important. Too short and you erode the head. Too long and you will melt the tip, cause preignition and wreck your pistons and head, (ask me how I know)......

I also see you do not have an extended tip compared to the assumedly correct plugs. That will mean that combustion will not be optimum affecting potentially MPG and drivability. You might not notice that though.

I’d be fine with them. 

If only EssExTee could be so grossly incandescent > RacinBob 10/14/2020 at 13:56

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They're a step cooler than the plugs that came out, so I am worried about fouling but whatever.

If only EssExTee could be so grossly incandescent > dogisbadob 10/14/2020 at 13:59

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It was an easy one. Only t ook me 30 minutes , and that’s with havin g never done the job on this car before. Hardest part was getting the coil out of the way  since it’s a big long rail that runs the length of the block:

Jb boin > If only EssExTee could be so grossly incandescent 10/14/2020 at 14:00

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Iridium or platinum or whatever isn’t much important as it would only change the durability of it, what is important is the model of the plug and it’s “temperature” (not sure of the translation there) .

But they definitely have a different design, the electr ode is... erected compared to the end of the thread on the old plugs while it’s not on the new ones.

Also , c heck that the thread length is the same : I f they are the same you are safe with the new plugs but if might not work well if the engine is designed to have the electrode down there.

If it was the other way around (put longer plugs than designed), you could have killed the engine.

flatisflat > If only EssExTee could be so grossly incandescent 10/14/2020 at 14:08

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https://en.wikipedia.org/wiki/Betteridge%27s_law_of_headlines

I like cars: Jim Spanfeller is one ugly motherfucker > If only EssExTee could be so grossly incandescent 10/14/2020 at 14:13

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I feel like with most low performance vehicles, as long as the thread and intrusion depth are right and heat range is within one of the right value, it’s good enough and it’ll run fine. Until you get into the 2010s and they start adding stuff like turbos and DI and whatnot on economy cars.

Future next gen S2000 owner > If only EssExTee could be so grossly incandescent 10/14/2020 at 15:19

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The headline rule is the answer to any headline that is a question is no.

Example:

Does eating vegetables kill you?

No

RacinBob > If only EssExTee could be so grossly incandescent 10/14/2020 at 17:23

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Naw, I suspect the difference in heat range is stock is “hot as hell” and one step cooler is “nearly as hot as hell”

If only EssExTee could be so grossly incandescent > RacinBob 10/14/2020 at 17:29

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The plug that was in there was an NGK 5, on a scale of 2-11 with 11 being coldest. The new ones are a 6.

RacinBob > If only EssExTee could be so grossly incandescent 10/14/2020 at 17:40

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The biggest story is that crazy long extended tip on the present plugs. There had to be a combustion problem that required it as I have never seen one like that before. Heck, I don’t know even how it clears the valves.. Also it is so big that I gotta wonder if there will be a compression impact without it. What engine it it?

RacinBob > RacinBob 10/14/2020 at 17:41

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Let me guess, Jeep 4 liter 6...... Based on the coi l pack.

If only EssExTee could be so grossly incandescent > RacinBob 10/14/2020 at 18:34

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Yes.

adamftw > If only EssExTee could be so grossly incandescent 10/14/2020 at 20:35

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My jeeps always ran like dog shit on anything but cheap ass  copper plugs. Never had one new enough w the coil rail though.. try some viper coils for an extra couple HPs, yo.