OLD ISSUENUM 1 A 2 0 PROCEDURE ISSUE NUMBER NEW ISSUENUM 1 N 3 0 PROCEDURE ISSUE NUMBER OLD PUBDATE 1 A 8 0 PROCEDURE PUBLICATION DATE NEW PUBDATE 1 C 8 0 PROCEDURE PUBLICATION DATE OLD VERSION 1 C 8 0 YYYYMMDD GMOD VERSION 20160426 NEW VERSION 1 C 8 0 YYYYMMDD GMOD VERSION 20160509 Beta ADD ENRUN 12 N 2 0 NUMBER OF RUNS ON ENGINE ADD APVAT 4 N 6 2 merits AVERAGE PISTON VARNISH, ANTI-THRUST ADD APVT 4 N 6 2 merits AVERAGE PISTON VARNISH, THRUST