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klx650sm2002 Serious Thumper Offline The more I learn the less I know. Posts: 2041 Cumbria,England Gender:	Iridium 05/22/10 at 01:32:35 Clive W
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Tincanman Serious Thumper Offline O~`o Posts: 566 Omaha, NE Gender:	Re: Iridium Reply #1 - 05/22/10 at 02:55:22 ??????????
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Stimpy - FSO Serious Thumper Offline SuzukisSavage Int'l Division Posts: 1203 Germany - formerly SD, SoCal Gender:	Re: Iridium Reply #2 - 05/22/10 at 06:28:12 ...so? DO-THEY-WORK? Do they make a real difference at 5x the price? - more power? - more high/low/mid end? - more complete combustion? - better mileage? - placebo sparkplug (you just think it works better)? - what? (cause i'm thinking about ordering one, thanks)
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dasch Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 1137	Re: Iridium Reply #3 - 05/22/10 at 06:41:37 They do last longer. My corolla had 120.000Km plug replacement interval, $6 a piece, NGK iridum, can't remember which. $6 is nothing. Can't vouch for better mileage, higher power output, etc.
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Oldfeller--FSO

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Re: Iridium
Reply #4 - 05/22/10 at 06:43:33

In marginal conditions iridium plugs show some advantage over a normal plug. An iridium plug will fire at a reduced voltage scenario where a normal plug would not spark. They will fire when oily when a normal plug would foul out.

Beyond that, they will last a bit longer because the center electrode will not evaporate. The hook will eventually go away though, just like a normal plug.

Those are the only advantages.

You can argue that they are NOT worth the extra dollars, although even I own one because of the marginal advantages.

We only have one plug, so make it a good 'un.

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« Last Edit: 05/22/10 at 13:09:31 by Oldfeller--FSO »

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mick Serious Thumper Alliance Member Offline Hell-bound Posts: 7323 Dayton Oregon Gender:	Re: Iridium Reply #5 - 05/22/10 at 06:57:33 I used one in my Savage, and I'm about to use 4 in my Miata. they might be a placebo,not sure, but then I change my oil every 500 miles,on the bike,it just made me feel good,I also use nothing but premium gas....................................??? in my car.
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klx650sm2002 Serious Thumper Offline The more I learn the less I know. Posts: 2041 Cumbria,England Gender:	Re: Iridium Reply #6 - 05/22/10 at 09:23:16 KLX's have a reputation for a weak coil so I fit an iridium to make up for that. First fire after six months she started 6-7 turns. I used to fit NGK B9EV in my 350LC definately made a difference in a two smoke. Clive W
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Starlifter Serious Thumper Offline It only snows seven months of the year here. Posts: 3746 Eastern Michigan Gender:	Re: Iridium Reply #7 - 05/22/10 at 09:26:21 You know, I was wondering...since the price of gas has been so high for so long. and most people now use only the cheapest gas, how old is the premium gas? How long has it been sitting around in those gas station tanks?
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Oldfeller--FSO Serious Thumper ModSquad Offline Hobby is now "concentrated neuropany" Posts: 12639 Fayetteville, NC Gender:	Re: Iridium Reply #8 - 05/22/10 at 13:06:07 Premium gas tanks are rarely filled more that a quarter of the way up at any time (stations don't buy much at a time) Distributors tanks are rarely ever over half full .... Condensation water, sediments, crap all are increased accordingly. And MUCH greater age, yup, some more of that "vintage" premium gasoline for your motorcycle, mister?
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28387 Tucson Az Gender:	Re: Iridium Reply #9 - 05/22/10 at 13:12:02 I saw on the History channel that Iridium comes from meteorites... It only forms in space... Space metal!.. Ooooh!... I like the idea of that... ... But I don't want it hidden away in my spark plug hole... I want it mounted in my speedometer or something, where it shows... or maybe in the headlight?... ...
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mick

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Re: Iridium
Reply #10 - 05/22/10 at 13:32:14

Starlifter wrote on 05/22/10 at 09:26:21:

You know, I was wondering...since the price of gas has been so high for so long. and most people now use only the cheapest gas, how old is the premium gas? How long has it been sitting around in those gas station tanks?

There are thousands upon thousands of Mazda Miatas ,they all call for premium,so do all Jaguars, Lotus, Bently's ,Rolls Royce,and many many more just about all sports cars.
there is a gas station not far from here that sells Racing fuel,"But only in a can" if you can find some try a tank full ,you will think you are on another bike,talk about zoom zoom zoom !
By the way my bike went way better on premium,if there is any crap in there I didn't notice,I also put in my ninja.good stuff.

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Stimpy - FSO Serious Thumper Offline SuzukisSavage Int'l Division Posts: 1203 Germany - formerly SD, SoCal Gender:	Re: Iridium Reply #11 - 05/22/10 at 15:15:54 An iridium plug will fire at a reduced voltage scenario im sold! i hate pushing, it's not so much annoying as it is embarrassing, the rest of the real or placebo benefits are welcomed too (and thanks for that inside scoop on premium gas, makes total sense!)
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mick

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Re: Iridium
Reply #12 - 05/22/10 at 17:49:53

Stimpy - FSO wrote on 05/22/10 at 15:15:54:

An iridium plug will fire at a reduced voltage scenario

im sold! i hate pushing, it's not so much annoying as it is embarrassing,
the rest of the real or placebo benefits are welcomed too Wink

(and thanks for that inside scoop on premium gas, makes total sense!)

lucky you only had to get one,I just got 4 $27.96 or $6.99 a piece
Oh well it's for my baby,I shall put them in just before my vacation run.

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jef.savage

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Re: Iridium
Reply #13 - 05/22/10 at 19:31:52

I can't speak for the third generation Miata but the first two generations (1989-2005) all run on regular and have regular recommended in the owner's manual. (I own one, Mom's had two). The exception would be the MazdaSpeed turbo Miata. But lot's of guys use premium so that they can advance the timing for more power without getting pinging.
When I bought my supercharger it came with a sticker to put inside the filler door that says "Premium Fuel Required."
I was just reading a thread on Intruder Alert where some guys felt their bikes run better on regular.
I've always believed that unless you retune to take advantage of the better gas the machine will not run any differently.

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mick

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Re: Iridium
Reply #14 - 05/22/10 at 19:57:14

jef.savage wrote on 05/22/10 at 19:31:52:

I can't speak for the third generation Miata but the first two generations (1989-2005) all run on regular and have regular recommended in the owner's manual. (I own one, Mom's had two). The exception would be the MazdaSpeed turbo Miata. But lot's of guys use premium so that they can advance the timing for more power without getting pinging.
When I bought my supercharger it came with a sticker to put inside the filler door that says "Premium Fuel Required."
I was just reading a thread on Intruder Alert where some guys felt their bikes run better on regular.
I've always believed that unless you retune to take advantage of the better gas the machine will not run any differently.

Jef,glad you commented I didn't get a owners manuel, with mine and it's a 93 so regular gas is ok,I had just heard that Miatas ran on premium, so it's just the later ones, thanks for the info.
So what's the story on superchargers ? are they really worth the mony ? how many more pony's ? ,any more helpful stuff about this great little car would be nice if you find the time,mine has just under a 100 thousand on it. thanks mate.

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