401 Nailhead Spark Plug?

Discussion in ''Da Nailhead' started by staged67gspwr, Oct 9, 2002.

  1. staged67gspwr

    staged67gspwr "The Black Widow"

    What plugs can i use in my `65?i prefer ac delco,what # are they for 401`s ?

    Thanks
     
    staged67gspwr, Oct 9, 2002
    #1
  2. OutlawJD

    OutlawJD Active Member

    George, I have aways found AC's to work better for me . I purchased my first in 1966 (GS) and AC's seemed to do the best job and I now use them in my 66 Riv GS
    Jim D.
     
    OutlawJD, Oct 9, 2002
    #2
  3. staged67gspwr

    staged67gspwr "The Black Widow"

    what # AC Delco`s though is my question?


    Thanks
     
    staged67gspwr, Oct 9, 2002
    #3
  4. Babeola

    Babeola Well-Known Member

    44s: standard, 43s: 1 range colder, 42s: 2 ranges colder and recommended for high speed driving in the manual.

    Cheryl
     
    Babeola, Oct 9, 2002
    #4
  5. staged67gspwr

    staged67gspwr "The Black Widow"

    Thanks.:TU:


    George
     
    staged67gspwr, Oct 9, 2002
    #5

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