i have oems plugs a i have 12000 km on the dash at the moment so should i change them i have full bolt ons 91 octane gas

 

nope your good.

 

thanks hoobastnk apreciate man, but is there a milege or something aprox it would be good to know i track the car at least once a month and dont want things to go bad👍

 

English Racing recommends they be changed every 10k miles, and the gap set to .020"...

 

thanks for the feed back letsgtthisdone i should probably change them then and im a bit confused about the gap thing i think there is some kind of meter of gapping callibrator but does that apply for thigs like altitude id really like to know im at 1500 meters - 5085 feet above sea level??? and some times go higher

 

Altitude makes no difference.

When gapping X plugs, or any iridium plug, only use feeler gauges. Don't use the "gap gauges" that are about the size of a US quarter that they sell for 99 cents at autozone, they will break/bend the iridium electrode.

 

Doesn't the manual say 60k miles?

 

Bingo!

 

Yea changing them at 10k is way over kill imo ne ways

 

letsgetthisdone thanks man ill buy a feeler thats good to know i just dont wanna blow a plug on the track and even more if your not home apreciate man👍

 

No 10k is good because our cars have a issue where the tip breaks off and plays a game of pin ball in the motor. Pretty straight forward what happens after that.

 

Until the porcelain falls apart and blows your motor up.

Two of my friends with X's had the porcelain break off, but thankfully it stayed together and just slid down and rested on the ground strap. Made for a very poor running car, and lots of anti lag style back firing out of the exhaust.

 

The misfortunes of a few do not mean X's need to change every 10k lol.

The vast majority of X owners don't change them at intervals like that. Especially at bolt-on power levels, and if the car isn't used for track purposes.

 

4 Evo X's here in Vegas have had the failure, 2 of them my friends cars that I personally saw. Luckily none of them lost the motor. But it made for a very poorly running car and a terrible drive home. It's cheap insurance for a spark plug that has relatively commonplace electrode porcelain failures...


I say relatively because I've never seen properly tuned cars break the porcelains like the Evo X does. Idk if it a QC issue with the plugs, or if something about the X motor breaks them.


The 10,000 mile rec isn't mine, it's English Racing's. So, I find it funny that you, and the other nay sayers, saying it's wrong...

 

ehhh w/e just do what you want