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Old 02-06-2005, 10:51 AM   #1
meat popsicle OP
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What's your Spark Plug choice for the LC4?

I just came across an auction for some fancy NGK plugs (Iridium IX) and wondered what type of plugs all y'all are using with your LC4.

http://www.ngksparkplugs.com/product...300&country=US



ps - hope this isn't as contentious an issue as chain maintenance or oil...
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Old 02-06-2005, 10:56 AM   #2
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Quote:
Originally Posted by meat popsicle
I just came across an auction for some fancy NGK plugs (Iridium IX) and wondered what type of plugs all y'all are using with your LC4.

http://www.ngksparkplugs.com/product...300&country=US



ps - hope this isn't as contentious an issue as chain maintenance or oil...
DCPR8E... the stocker.
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Old 02-06-2005, 10:58 AM   #3
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Originally Posted by creeper
DCPR8E... the stocker.
conservative. roger that.
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Old 02-06-2005, 11:05 AM   #4
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Puke

05 KTM 640 Adventure 640
Spark Plug Part No. Stock No. Plug Gap
Standard DCPR8E 4339 .032


05 KTM 640 Adventure 640
Spark Plug Part No. Stock No. Plug Gap
Iridium DCPR8EIX 6546 .032

There is the Iridium IX part number for the 640 Adv
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Old 02-06-2005, 11:14 AM   #5
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Bored meat? What's next, a thread on grips? No, that would go several pages. How about anti-freeze? Nope... same as grips. Ah... air filters? No... actually, spark plugs was a good choice for early thread death syndrome. Good job.

(Now, watch this thread go 4 pages, just to prove me wrong)
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Old 02-06-2005, 11:46 AM   #6
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Quote:
Originally Posted by meat popsicle


05 KTM 640 Adventure 640
Spark Plug Part No. Stock No. Plug Gap
Iridium DCPR8EIX 6546 .032
Meat...can you convert that Iridium NGK p/n to Lodge p/n? I like the pink insulators....

CC
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Old 02-06-2005, 11:53 AM   #7
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Meat...can you convert that Iridium NGK p/n to Lodge p/n? I like the pink insulators....

CC
Isn't that a what your wife calls you? The Pink Insulator?
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Old 02-06-2005, 12:03 PM   #8
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Originally Posted by creeper
Bored meat? What's next, a thread on grips? No, that would go several pages. How about anti-freeze? Nope... same as grips. Ah... air filters? No... actually, spark plugs was a good choice for early thread death syndrome. Good job.

(Now, watch this thread go 4 pages, just to prove me wrong)

you said this once before... now what was that thread?

NGK is makin some big claims for this new plug, and since they are not a fly by night op somewhere in Arkansas I figure they are worth entertaining.
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Old 02-06-2005, 12:12 PM   #9
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Quote:
Originally Posted by meat popsicle
NGK is makin some big claims for this new plug
Changing spark plugs and hoping for performance improvements is like changing underwear and hoping for no racing stripes....
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Old 02-06-2005, 12:18 PM   #10
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Quote:
Originally Posted by meat popsicle
you said this once before... now what was that thread?

NGK is makin some big claims for this new plug, and since they are not a fly by night op somewhere in Arkansas I figure they are worth entertaining.
IMO, The whole deal with precious metal plugs is durability and lower electrode resistance values. Longer service life and resistance to fouling under hard conditions... high compressions and so forth. No plug that I am aware of can in and of itself, increase voltage at the electrodes.

My favorite spark plug "claim" is for the split electrode plugs... electricity follows the path of least resistance, it doesn't care if the electrode is 'Y' shaped, 'W' shaped or shaped like a large mouth bass... the spark will jump to the path of least resistance.
The only advantage I can think of... and a small one at that, is that the spark is more exposed or unshielded to the combustable mix on a 'Y' plug than a conventional plug.
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Old 02-06-2005, 12:19 PM   #11
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Quote:
Originally Posted by ChrisC
Changing spark plugs and hoping for performance improvements is like changing underwear and hoping for no racing stripes....
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Old 02-06-2005, 12:55 PM   #12
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Well if you're having a spark plug thread, I guess I should throw this in:

http://www.briskplugs.com/products.aspx

http://www.monomaniacs.nl/mm/ttt/brisk/index.htm

The supermoto/duke forum went over these a while back, since they do make one that will fit the lc4. The initial tests were positive, and riders noticed a performance gain, but others were concerned that the path of least resistance for the spark would end up being straight to the piston face. The design is interesting, but I am perfectly happy trying to increase performance using other, more sound methods, like shaving my legs, and using high tech lubricants that were developed for the space shuttle.

Regards,

Scoot Jockey
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Old 02-06-2005, 01:03 PM   #13
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like shaving my legs
Now you're talkin' Creep's language... :ymca :ymca :ymca
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Old 02-06-2005, 01:13 PM   #14
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Quote:
Originally Posted by creeper
IMO, The whole deal with precious metal plugs is durability and lower electrode resistance values. Longer service life and resistance to fouling under hard conditions... high compressions and so forth. No plug that I am aware of can in and of itself, increase voltage at the electrodes.
so maybe the "iridium" has a lower resistance than platinum which is lower than copper... that would open things up right?

Quote:
Originally Posted by creeper
My favorite spark plug "claim" is for the split electrode plugs... electricity follows the path of least resistance, it doesn't care if the electrode is 'Y' shaped, 'W' shaped or shaped like a large mouth bass... the spark will jump to the path of least resistance.
The only advantage I can think of... and a small one at that, is that the spark is more exposed or unshielded to the combustable mix on a 'Y' plug than a conventional plug.
yeah i remember the "split-fire" plugs... pretty dang funny
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Old 02-06-2005, 01:14 PM   #15
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Quote:
Originally Posted by Scoot Jockey
Well if you're having a spark plug thread, I guess I should throw this in:

http://www.briskplugs.com/products.aspx

http://www.monomaniacs.nl/mm/ttt/brisk/index.htm

The supermoto/duke forum went over these a while back, since they do make one that will fit the lc4. The initial tests were positive, and riders noticed a performance gain, but others were concerned that the path of least resistance for the spark would end up being straight to the piston face. The design is interesting, but I am perfectly happy trying to increase performance using other, more sound methods, like shaving my legs, and using high tech lubricants that were developed for the space shuttle.

Regards,

Scoot Jockey
somebody around here said those things are not too reliable... but OBVIOUSLY we have plenty of unsubstantiated opinions around here...

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