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Old Oct 2, 2010 | 02:20 PM
  #26 (permalink)  
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dinasrt
Senior Member
Joined: Apr 2010
Posts: 2,404
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From: Mendocino, CA
Default Re: Spark Plugs After Modifications

Originally Posted by KrzyFast
Dina,

Hotrodders have been indexing plugs for years....you can pick up a few horsepower if done correctly, No BS.
We are talking <10Hp in all likelyhood. If you are trying to maximize what you have and you have the patience (lots of patience) to do it, go for it.

I would suggest that if you are going to do it, plan ahead and take the valve covers off for some paint or powdercoating as getting to the plugs is a lot easier this way.


Cheers,
KrzyFast
So you're saying you did this? It sounds like nobody here has done this or really knows how to do this; (direction to point each and every plug). Or if they have, are not sharing. I searched here and went to the NGK racing section where they talk about choosing and installing racing plugs; and there's no mention of this. This is just a guess, but perhaps the clocking was more important with the yesteryear style plugs w/ the big fat electrodes. Today some racers use a flat style no electrode(semi-surface discharge)according to NGK's site. Obviously, it wouldn't need to be clocked. And if Brian Brave just "torques to spec.", that's good enough for me. So I'm still calling BS on this clocking the plugs in our rides. But I'd certainly love to see someone prove a gain. Bob (and Dina agrees with me on this).
 
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