Y J 8P 3107 Q 9 7 7 Qw fro Y 5 E g T OM A NB2 NC7 P I WE g i A y I wx yi I sfx 7 Q M I A Q ca ld Q 9 em I If 4 ig IB Q KZ N I jj i irI Q F E ANU vrzw E il E CYL 2 ONLY K 4 I QI QM I f I an ED A1 V EW TYPICAL INSTALLATION EXCEPT CYL 2 7 I 8P 3107 1985 88 B6 S7 SPARK PLUG WIRES BRACKETS HEAT SHIELDS AND SUPPORTS J W 427 L43 366 L86 GAS ENGINE W FIRING ORDER 1 8 4 3 6 5 7 2 I 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS M SB G 0 000 GROUP 06 22 09 87