OEM Spark # buying before pulling them
#1
03-03-2011, 02:54 PM
Join Date: Dec 2008
Location: Wading River, NY (Long Island)
Posts: 378
OEM Spark # buying before pulling them
First Tune from me. 120K miles, Doesn't look like it was ever tuned but if the plugs were changed, I want to make sure I put in OEM. Was the original plugs AC DELCO 41993's?
I can't read what's in there now.
I can't read what's in there now.
#2
03-03-2011, 04:48 PM
AC Delco 41-993 is correct. Just as important, if not more, is using an AC Delco distributor cap and rotor! Put a dab of silicone dielectric grease on each terminal, inside and out, of the cap.
#3
03-03-2011, 05:13 PM
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