just changed my plugs today and boy what a difference in acceleration up hill and off the line. also my car idles very smooth and wants to shift gears better as well. I went with the NGK iridium plugs , compared to the stock Denso plugs. Keep in mind that im at 43,282 miles on the box.

WOW xB's dont come w/ Iridium plugs????

oh well..tC's come w/ Iridium plugs already!...I did not know myself...its cool when I founf out!

when is it recommended to change em?

most cars can go about 60,000 no prob , but i think toyota tells u to do it more often

I know im crazy but i changed out my plugs after 10k miles and put in Bosch Platinum 4's.

Iridium Plugs can go 100,000 miles...Thats why the tC does NOT need a Tune-up till 100,000 miles!

i changed mine at 60K and then again a couple of weeks ago at 90K. i went with the denso platinum ones toyota has cause i found them in my garage.

yea i have heard good things about both the platinum plugs and the iridium plugs

yeah i could tell the difference in those ones. doesnt seem to be as much lag when i have the air on now.

Either one is good. I personally like the NGK plugs better but I have used the Denso as well.

nothing aginst you chris, i would NEVER EVER put german plug in a japnese car, being in this business this long, i always put in what the factory says. i have seen and heard every line there is about plugs. just put in what it calls for.

it's cuz tc's aren't jdm. j\k i think i'm due for a change. so can we put iridium plugs on our xb's? if so can you get me some at TOR Tommy?

you can get platinum's from toyota. that's what i have in mine right now and they run great.

Ive had them since then and no problems. I used them on my previous car and worked until i traded it in.

Those plugs look like mine did when I blew my motor, just a little worse. And my plugs were only a month or two old. Go figure.

I've always heard Bosch platinum plug were for German made cars and not recommended for import. When I worked at autozone that's what they trained the employees as well, but I learned that when i worked at Penske as a mechanic. When i ran Bosch in my accord they ran like crap so I've always stuck to denso's or ngk's

^^x2

I dont have an import.

oooook?

Sorry I must be one of those luck ones.

Ur not thinking with ur dipstick jimmy!

I take it you haven't seen the castrol commercial?

Do you believe everything commercials say?