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Are you sure? There has been a lot of discussion about this over the years and there is no clear evidence that I have seen.

I'd like to make a bet that new coils OEM or Splitfires will produce the same results.

Splitfire Japan would get fined for a breach of a consent order regarding false advertising if it wasn't the case.

Splitfire started in America in 1991 and in 1997 they got barred from advertising for false claims about their spark plugs.

It is advertised that Splitfire coils produce more output voltage than oem coils.

Reference below.

http://www.sf-j.co.j...lish/index.html

http://www.ftc.gov/o...2/splitfir.shtm

I don't count adverts as proof that they produce better results.

On paper they might, but do they?

I have Splitfires on both cars btw.

Neither do I for that matter. But it seemed logical that if they got busted once with false advertising then they wouldn't do it again. But then again people do weird things over and over. I haven't got out the multimeter and tested them as I have the oem one's currently. There was a thread about this that I was reading today. It dates back to 2006 I think. I didn't read all of it, just some stuff about dwell and how it could be necessary to have more dwell for splitfires to get any benefit from them. Which implies that they are more durable but not "better". I'm only going on what I've read. Could be wrong. Get out your multimeter mate and measure the windings and let us know. If you can be bothered.

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I imagine they got busted for claiming the sparks were better. The coils (on a very quick skim of the links) was more a case of "splifires output x amount vs y amount for OEM" which isn't deceptive unless untrue.

Quoted from the link: "SplitFire, Inc., has agreed to settle Federal Trade Commission charges that economy, efficiency and improved performance claims for its spark plugs were false or unsubstantiated".

In your second sentence you are implying that unless Splitfire are being deceptive again, Splitfire coils are actually "better".

I've had no drama's with the oem coils so far. When I put on the gt35r I'll wind the boost up and see how well they handle it. Not that you should compare 16 year old coils to new ones but its worth a look I spose. If I had nothing better to do...which I do lol.

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