Hello, what plugs and gap do I need for a 89 5.7l GM? thanks.
R rewi9d Cadet Joined May 30, 2009 Messages 23 Jun 10, 2009 #1 Hello, what plugs and gap do I need for a 89 5.7l GM? thanks.
Bondo Moderator Staff member Joined Apr 17, 2002 Messages 71,133 Jun 10, 2009 #2 Re: which plugs for 89 OMC 5.7L? Ayuh,... AC Delco, MR43T sparkplugs gapped to .035"...
R rewi9d Cadet Joined May 30, 2009 Messages 23 Jun 11, 2009 #3 Re: which plugs for 89 OMC 5.7L? awesome. Thanks very much
