01hx5

Alright well i know the manual says 100,000 i think but i'm at 43000 and i was just wondering if it would just be a good idea to do? thanks.

MajinB

iTrader: (21)

i did mine as soon as i bought mine at 57k. wait till 50. and get some iridiums

01hx5

cool, thanks man

Jrfish007

iTrader: (3)

yup.... do them at 50k and get good ones, the direct ignition coils don't respond well to cheap plugs. The cheaper plugs have to high of a voltage drop, sorry but you gotta pay for these plugs. I would personally just go with the OEM NGK plugs.

01hx5

I dont mind the money for the plugs, i have a conection through my work so i get them at cost.....i knew workin at a boat shop had its advantages....who knew.

gearbox

iTrader: (95)

yup get oem ngk double plats every 50k.

01hx5

cool cool, about how much do they run a piece? anyone know?

Jrfish007

iTrader: (3)

Directly from NGK's website, they are just under $12 a piece. Write down the part number search around (google or ebay) you should be able to find a better price.

http://www.ngk.com/results_app.asp?AAIA=1415674

You may spend alot on the plugs, but you don't have to worry about wire, so in the end you end paying less. I remember wires from Honda where around $70, I got them for $45, but still costly. So I guess it's a trade off, expensive wires or expensive plugs...

EDIT*** Those plugs are the OEM for the HX too, not just the EX.

But when I enter in the HX into the NGK website, they gave some cheaper alternatives that are not aviable for the EX. take a look http://www.ngk.com/results_app.asp?AAIA=1373240

streetglower

iTrader: (13)

I have the iridium IX and I paid just over $30 for them and they are good plugs. Have had them on for over 50K now and are still looking like new plugs. But then again, I havent had any engine problems (knock on wood).

MajinB

iTrader: (21)

ok i paid 8 dollars for a 4 pack of NGK iridiums at advanced auto parts. the stocks i wanted were 16 bucks a piece there. i took the cheaper and better ones

Jrfish007

iTrader: (3)

The difference is that the ones you bought probably have a copper core with an iridium tip. The $16 per piece ones are striaght platinum. Copper has a high voltage drop when current is passed through it, that's why you see copper plugs with these huge electrodes compared to platinum, the larger electrode is tring to cominsate (the larger the cross section of the wire, the lower the resistance). But even thought they are fat wired, they still have to much of a resistance.

Now if you plugs work fine, then great, we have a cheap replacement, otherwise you need to change you plugs. Take one out and post pic and tell us how many miles you have on it, I'm interested to see if the copper core plugs work.

thefivespeeder

iTrader: (6)

yea i change mine for iridiums around 60000, they were still good, but why not at that point, btw will my iridiums be good for nitrous? i dont know the heat range

Jrfish007

iTrader: (3)

Ask the FI people about that. Actually I would just go with something like the Zex plugs. I think you should run a cooller plug for N2O, but not sure.

ragingSPAM

iTrader: (8)

i just cant wait for spark plug changes cuz its so fun breaking windows in junkyards with the spark plugs

01hx5

yes...that does work very well,,,my only question is why does it do that

zen_master

iTrader: (6)

hm.........

i wonder when will poeple who dislike iridium plugs will comment on this post....

these peeps that im talking about...they think iridium plugs = POS. they're basically marketing gimmick.....finally, they will suggest you to use OEM platinum plugs...

ragingSPAM

iTrader: (8)

the windows break because of the sound frequency that is makes when a spark plug ceramic hits the glass...its like fingernails on a chalk board if its at a right frequency than it'll make the glass break...well its hard to compair those...how about those glass cutters they work off the same style

gearbox

iTrader: (95)

use oem. hehe. i've always been told that. my motor won't take iridium more than 15k and then starts to run bad. Stock is fine and same performance. A spark plug can't give better performance. Oh and guess what actually platinum owns iridium why? cause the ground electrode is nickel. Ground electrode on double platinum is platinum hence the name.

ragingSPAM

iTrader: (8)

yup gearbox is right...but some spark plugs differ...my friend has denso iridium race plugs and they are full iridium with no other metals to interfere...but they are about 40 bucks each...he gave me 4 for free a while ago cuz he gets them for free from his sponsors for his 85 drag celica supra

zen_master

iTrader: (6)

Denso IK20 > NGK IX?

agree?

Jrfish007

iTrader: (3)

Exactly, youg et what you pay for. Or at least should have paid for.

ragingSPAM

iTrader: (8)

yes zen i do agree...and jr u are so right...you get what u pay for...cheap plugs are cheap cuz they have cheap components

MajinB

iTrader: (21)

ok. my plugs are not cheap. they work great, no problems scince 57k when i bought the car. now the car almost has 70k on it. so iridiums are NOT POS. go look on websites. the iridiums i have are expensive. i don't know why they were cheap. i don't care. i get better gas mileage from the new plugs.

zen_master

iTrader: (6)

I hope this is correct.....i spent quite a lot on those plugs....

ragingSPAM

iTrader: (8)

yea from my experiences the DENSO ik20's are really good...even better for turbo cars

zen_master

iTrader: (6)

^lol.....

from my experience after buyin and installin em in my car.......many people on the forum start bashing me for being a victim of marketing. lol.