Lets talk spark? Best plugs I everyones opinion for stock/stockish - TopicsExpress



          

Lets talk spark? Best plugs I everyones opinion for stock/stockish power levels with 3B engine. I had the NGK BKR7E IX (were old and of unknown miles when I got the engine) and I just swapped them for champion RC9YC plugs as there is literally nothing else locally and in all actuality they made a small noticeable gain over the NGK plugs. So before I order a good set Id like to hear some imput. I know the F5DP0R plugs are somewhat popular but would prefer copper honestly. (Pic of ngk plug from cylinder 1)
Posted on: Mon, 15 Sep 2014 16:08:46 +0000

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