View Full Version : 401 Nailhead Spark Plug?
staged67gspwr
10-09-2002, 09:12 AM
What plugs can i use in my `65?i prefer ac delco,what # are they for 401`s ?
Thanks
OutlawJD
10-09-2002, 12:35 PM
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.
staged67gspwr
10-09-2002, 01:33 PM
what # AC Delco`s though is my question?
Thanks
Babeola
10-09-2002, 06:39 PM
44s: standard, 43s: 1 range colder, 42s: 2 ranges colder and recommended for high speed driving in the manual.
Cheryl
staged67gspwr
10-09-2002, 06:46 PM
Thanks.:TU:
George
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