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Discussion Starter · #1 ·
Does anyone know if Iridium spark plugs are, as yet, available in our spec and heat range? A cursory perusal on the net failed to reveal anything. Clueless, you'd probably know.

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Discussion Starter · #2 · (Edited)
I always use plutonic unobtanium on my rides :rolleyes:. Don't forget you have twice the spark and flame front of a single plug engine :cool:; doub't you could improve much on that.
Ya, Unobtaniums or Dilithiums are always good! LMAO

Actually, Gar, I was more interested in the longevity factor (nowadays, I'm always interested in longevity!). Iridiums, as you probably know (aside from their association with the demise of the dinosaurs), though a little more expensive, have a typical service life of 100K+ miles (install-and-forget!) and come mounted, from the factory, in all the later higher-end cars and trucks. Hell, they even came stock in my Chevy pickup! Unscrewed one the other day, after 97K miles; it still had it's factory-set gapping and exhibited no signs of electrical erosion! Amazing!

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Discussion Starter · #3 ·
I'll bet a hands on guy like you will have your plugs before 50K miles just to take color pictures :D and that's how far I run my standard plugs on our wonderfully clean unleaded gas. You may have to explain that to the post boomers around here who have never seen unleaded gas and its effects :rolleyes:.
LOL! I'm assuming you meant "LEADED" when you said, "who have never seen unleaded gas and its effects", no?

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Bar and Gar, you guys crack me up :D

On topic though, don't we already have 2 spark plugs in each cylinder, I thought I read that somewhere :confused: I don't see how you can improve on that setup.
 

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Plugs last longer today than in the past. I think that a computer can adjust the air fuel ratio in a fuel injection unit better than a human can jet a carburetor. I feel this helps plugs burn cleaner.
 

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I did a quick search on the VTX board and didn't see any listing of them for a 1300, at $16 each I haven't been too interested in them, and I don't know what the advantage would be, I do change them alot on the VTX 1800s tho, (did a new one last week with <600 miles on it) they tend to foul somewhat easily on that engine, Honda uses the same plug on their TRX680 and the Big Red MUV and they all tend to foul if you only run them for short periods.
 

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Discussion Starter · #7 ·
Plugs last longer today than in the past. I think that a computer can adjust the air fuel ratio in a fuel injection unit better than a human can jet a carburetor. I feel this helps plugs burn cleaner.
I think you're probably right on all three points. I was looking at it in terms of longevity; if they would last 100K miles in a Fury, then I would, most likely, never have to change the plugs in my lifetime! As far as performance improvement goes, I doubt there'd be any.

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Discussion Starter · #8 ·
I did a quick search on the VTX board and didn't see any listing of them for a 1300, at $16 each I haven't been too interested in them, and I don't know what the advantage would be, I do change them alot on the VTX 1800s tho, (did a new one last week with <600 miles on it) they tend to foul somewhat easily on that engine, Honda uses the same plug on their TRX680 and the Big Red MUV and they all tend to foul if you only run them for short periods.
Thanks for looking into it, Clueless, and for your insight regarding other models. While I didn't think they'd be any less prone to fouling, I did assume they'd last longer under "normal" operating conditions. Let's see, how's that go, "assuming makes an ASS out of U and ME"! LOL.

Thanks again for your technical input.

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