Interesting tips on Spark Plugs
#1
#3
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Joined: May 2007
Posts: 1,272
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From: Georgetown, TX
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.
#4
"zactly" what you said. I indexed my heart out on 2-stroke snowmobile motors...what a waste!
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.





