spark plugs?
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Multiple electrodes are a sales gimick.
For a stock motor NGK TR55 (or TR5 regapped as they come with a small gap) are good as is Autolite 106. NGK as the number goes up the plug gets colder for example a TR6 is good for an LT1 on juice. Autolite a 104 is good for modified motors with higher compression and a 103 is better for nitrous.
Beware of how folks evaluate plugs, most people put fresh plugs in and say whatever they just bought it great, neglecting to consider they probably replaced the old ones because they were worn.
P.S. you don't know who i am huh hahaha.




