Engine Firing Orders: 1988

GMC	C 1500 P/U 2WD	4.3 liter V-6 VIN "Z"
GMC	C 1500 P/U 2WD	5.0 liter V-8 VIN "H"
GMC	C 1500 P/U 2WD	5.7 liter V-8 VIN "K"
GMC	C 1500 P/U 2WD	7.4 liter V-8 VIN "N"
GMC	C 2500 P/U 2WD	4.3 liter V-6 VIN "Z"
GMC	C 2500 P/U 2WD	5.0 liter V-8 VIN "H"
GMC	C 2500 P/U 2WD	5.7 liter V-8 VIN "K"
GMC	C 2500 P/U 2WD	7.4 liter V-8 VIN "N"
GMC	C 3500 P/U 2WD	4.3 liter V-6 VIN "Z"
GMC	C 3500 P/U 2WD	5.0 liter V-8 VIN "H"
GMC	C 3500 P/U 2WD	5.7 liter V-8 VIN "K"
GMC	C 3500 P/U 2WD	7.4 liter V-8 VIN "N"
GMC	G 1500 ½-Ton Van	4.3 liter V-6 VIN "Z"
GMC	G 1500 ½-Ton Van	5.0 liter V-8 VIN "H"
GMC	G 1500 ½-Ton Van	5.7 liter V-8 VIN "K"
GMC	G 2500 ¾-Ton Van	4.3 liter V-6 VIN "Z"
GMC	G 2500 ¾-Ton Van	5.0 liter V-8 VIN "H"
GMC	G 2500 ¾-Ton Van	5.7 liter V-8 VIN "K"
GMC	G 3500 1-Ton Van	4.3 liter V-6 VIN "Z"
GMC	G 3500 1-Ton Van	5.0 liter V-8 VIN "H"
GMC	G 3500 1-Ton Van	5.7 liter V-8 VIN "K" TBI
GMC	G 3500 1-Ton Van	5.7 liter V-8 VIN "M" 4-bbl
GMC	G 3500 1-Ton Van	7.4 liter V-8 VIN "N"
GMC	Jimmy Full Size	5.7 liter V-8 VIN "K"
GMC	K 1500 P/U 4WD	4.3 liter V-6 VIN "Z"
GMC	K 1500 P/U 4WD	5.0 liter V-8 VIN "H"
GMC	K 1500 P/U 4WD	5.7 liter V-8 VIN "K"
GMC	K 1500 P/U 4WD	7.4 liter V-8 VIN "N"
GMC	K 2500 P/U 4WD	4.3 liter V-6 VIN "Z"
GMC	K 2500 P/U 4WD	5.0 liter V-8 VIN "H"
GMC	K 2500 P/U 4WD	5.7 liter V-8 VIN "K"
GMC	K 2500 P/U 4WD	7.4 liter V-8 VIN "N"
GMC	K 3500 P/U 4WD	4.3 liter V-6 VIN "Z"
GMC	K 3500 P/U 4WD	5.0 liter V-8 VIN "H"
GMC	K 3500 P/U 4WD	5.7 liter V-8 VIN "K"
GMC	K 3500 P/U 4WD	7.4 liter V-8 VIN "N"
GMC	R 1500 P/U 2WD	4.8 liter L6 VIN "T"
GMC	R 1500 P/U 2WD	5.7 liter V-8 VIN "K"
GMC	R 1500 P/U 2WD	7.4 liter V-8 VIN "N"
GMC	R 2500 P/U 2WD	4.8 liter L6 VIN "T"
GMC	R 2500 P/U 2WD	5.7 liter V-8 VIN "K"
GMC	R 2500 P/U 2WD	7.4 liter V-8 VIN "N"
GMC	R 3500 P/U 2WD	4.8 liter L6 VIN "T"
GMC	R 3500 P/U 2WD	5.7 liter V-8 VIN "K" TBI
GMC	R 3500 P/U 2WD	5.7 liter V-8 VIN "M" 4-bbl
GMC	R 3500 P/U 2WD	7.4 liter V-8 VIN "N" TBI
GMC	R 3500 P/U 2WD	7.4 liter V-8 VIN "W" 4-bbl
GMC	S15/T15 2WD Jimmy	2.5 liter L4 VIN "E"
GMC	S15/T15 2WD Jimmy	2.8 liter V-6 VIN "R"
GMC	S15/T15 2WD Jimmy	4.3 liter V-6 VIN "Z"
GMC	S15/T15 2WD P/U	2.5 liter L4 VIN "E"
GMC	S15/T15 2WD P/U	2.8 liter V-6 VIN "R"
GMC	S15/T15 2WD P/U	4.3 liter V-6 VIN "Z"
GMC	S15/T15 4WD Jimmy	2.5 liter L4 VIN "E"
GMC	S15/T15 4WD Jimmy	2.8 liter V-6 VIN "R"
GMC	S15/T15 4WD Jimmy	4.3 liter V-6 VIN "Z"
GMC	S15/T15 4WD P/U	2.5 liter L4 VIN "E"
GMC	S15/T15 4WD P/U	2.8 liter V-6 VIN "R"
GMC	S15/T15 4WD P/U	4.3 liter V-6 VIN "Z"
GMC	Safari Van M	2.5 liter L4 VIN "E"
GMC	Safari Van M	4.3 liter V-6 VIN "Z"
GMC	Suburban ½-Ton 2WD	5.7 liter V-8 VIN "K"
GMC	Suburban ½-Ton 2WD	7.4 liter V-8 VIN "N"
GMC	Suburban ½-Ton 4WD	5.7 liter V-8 VIN "K"
GMC	Suburban ½-Ton 4WD	7.4 liter V-8 VIN "N"
GMC	Suburban ¾-Ton 2WD	5.7 liter V-8 VIN "K"
GMC	Suburban ¾-Ton 2WD	7.4 liter V-8 VIN "N"
GMC	Suburban ¾-Ton 4WD	5.7 liter V-8 VIN "K"
GMC	Suburban ¾-Ton 4WD	7.4 liter V-8 VIN "N"
GMC	V 1500 P/U 4WD	4.8 liter L6 VIN "T"
GMC	V 1500 P/U 4WD	5.7 liter V-8 VIN "K"
GMC	V 1500 P/U 4WD	7.4 liter V-8 VIN "N"
GMC	V 2500 P/U 4WD	4.8 liter L6 VIN "T"
GMC	V 2500 P/U 4WD	5.7 liter V-8 VIN "K"
GMC	V 2500 P/U 4WD	7.4 liter V-8 VIN "N"
GMC	V 3500 P/U 4WD	4.8 liter L6 VIN "T"
GMC	V 3500 P/U 4WD	5.7 liter V-8 VIN "K" TBI
GMC	V 3500 P/U 4WD	5.7 liter V-8 VIN "M" 4-bbl
GMC	V 3500 P/U 4WD	7.4 liter V-8 VIN "N" TBI
GMC	V 3500 P/U 4WD	7.4 liter V-8 VIN "W" 4-bbl

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