I respect your opinion Dazco; However, I have a pair of 9s to put in my Speedie. Waddya reckon, please.

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Well, believe what you want. But i spent the last 25 years of my life in a field that was constant testing of things which created subtle differences that are hard to determine as real or placebo. It's second nature to me. I know what to look for and look out for, and i'm not going to try and convince you because it really doesn't matter to me if you don't trust my findings. I know for an absolute fact they make the difference i discussed above and thats all that matters. So consider it placebo effect if you like, i happen to know better. You need to know me before you can even begin to know what the liklihood is of my making a incorrect judgment about the plugs.

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IKJ, The correct way to test to see if the plugs really made you bike faster would be to do a blind test with one of your good friends. Have your friend change both plugs out several times without you knowing which plugs are in the bike and you recording which times your bike seemed faster. If it matched up with the Iridiumn plugs then you would really know. He could even put the same plug in twice in a roll to really mix things up. You record, faster, slower, or no change. After several rounds of changes you would find out if what you think is correct. Of coarse this could also tell you that you are full of it, and maybe you really do not want to know that? But then again isn't a perceived performance gain as good as a real performance gain if there is no clock, track, or competetor? Vegas