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Interesting tips on Spark Plugs

Old 12-27-2007 | 01:21 PM
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Default Interesting tips on Spark Plugs

Some of it I knew...some I had forgotten....

http://www.racingjunk.com/s/JohnsSaftyTip
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Old 12-27-2007 | 02:11 PM
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Very interesting,especially the part about the open side towards the intake valve.
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Old 12-27-2007 | 02:17 PM
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In many of my drag motors, I've tried to measure a difference in hp on the dyno and could never net any positive results indexing vs not, indexing. Other than the ability of saying, "Hey, my plugs are indexed!" it never showed anything positive. PITA to get them all the same, too.
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Old 12-27-2007 | 08:30 PM
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"zactly" what you said. I indexed my heart out on 2-stroke snowmobile motors...what a waste!

Originally Posted by Griswald
In many of my drag motors, I've tried to measure a difference in hp on the dyno and could never net any positive results indexing vs not, indexing. Other than the ability of saying, "Hey, my plugs are indexed!" it never showed anything positive. PITA to get them all the same, too.
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Old 12-28-2007 | 08:51 PM
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It's a theory yes....but it makes you feel good....
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