what spark plugs

Discussion in 'Street/strip 400/430/455' started by staged2ny, Apr 4, 2020.

  1. staged2ny

    staged2ny Silver Level contributor

    What spark plugs are you guys running on you 455? I have a 11-1 stage one aluminum head 455 600 hp im running NGK plugs that TA recommended but that was years ago wondering if there are a newer plug anyone is running...
     
    staged2ny, Apr 4, 2020
    #1
  2. Bens99gtp

    Bens99gtp Well-Known Member

    I run ngk 7173 on my 12:1 464 Te2 heads. I like the 5/8 size better
     
    Bens99gtp, Apr 4, 2020
    #2
  3. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    What's the heat range and how do they look?
     
    LARRY70GS, Apr 4, 2020
    #3

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