Spark Plug, Coil, Plug Wire Questions - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 5 (permalink) Old 08-17-2011, 09:59 AM Thread Starter
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Thumbs up Spark Plug, Coil, Plug Wire Questions

Pulled the plugs on my 2000 Legend TT, (used the plug wrench from my Z1000 It is perfect for the center plug has a swivel in the middle of the socket) I was going to replace the Champion RA6HC with NGK Iridiums I bought off the internet. When I went to install the NGK's the spark plug wrench I used to remove the Champions wouldn't fit.(too small) The NGK plugs have 18MM Hex, apparently the Champions are 17MM? Anyway I may just replace the Champions with new Champions. For ease of removal, they are smaller. I looked at the Nology Coils and Plug wires. What would you guys recommend for plug wires the Cool Wires or HotWires? I didn't really understand the difference besides the hot wires having a capacitor and ground strap. Will Iridium plugs provide any substantial performance gains as opposed to the Champion standard plugs? thanks in advance for any input. Can't wait to get back home and do some more riding on the Legend. I even enjoy working on it. (Is there something really wrong with me or what?!) Excuse the long thread, got lots of questions you know.
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post #2 of 5 (permalink) Old 08-17-2011, 01:18 PM
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I don't think there are any performance gains with Iridium plugs, what you do get is a much longer life which means less hassle pulling plugs in future.

As far as I know, one plug wire is as good as any other, so long as it is a copper core wire.

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post #3 of 5 (permalink) Old 08-17-2011, 02:56 PM
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PS you may already have Nology coils. Nology coils are allegedly PVL coils with a Nology sticker on them.

PVL is one of the two OEM suppliers of coils, the other is Gill.

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post #4 of 5 (permalink) Old 08-17-2011, 06:06 PM
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Originally Posted by Slinky View Post
PS you may already have Nology coils. Nology coils are allegedly PVL coils with a Nology sticker on them.

PVL is one of the two OEM suppliers of coils, the other is Gill.
I have just ordered new coils for my 98 t bird from sprint manufacturing and the guys there said the pvl coils are the same as nology
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post #5 of 5 (permalink) Old 08-17-2011, 06:49 PM
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Originally Posted by Slinky View Post
I don't think there are any performance gains with Iridium plugs, what you do get is a much longer life which means less hassle pulling plugs in future.

As far as I know, one plug wire is as good as any other, so long as it is a copper core wire.
Actually, there's a lot of difference in plug wires re: impedance. The Haynes book lists what the proper impedance should be, IIRC...

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