Gear ratio's

Gear Ratio's

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2BC-2 Barral Carb 4BC-4 Barral Carb HO-High Output TBI-Throttle Body injection
CFI-Cross Fire Injection MFI-Multiport Fuel Injection TPI-Tune Port Injection
*LQ8 2BC LQ9-TBI

90-92
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Year Model Engine Type/Code Litres HP Transmission Fuel System Manual Automatic

82 SC L4 LQ8/LQ9* 2.5Litres 90hp M4, A3 2BC or TBI 3.24, ----- 2.93, 3.08

82 SC/Blrn V-6 LC1 2.8Litres 102hp M4, A3 2BC 3.23, ----- 3.08, -----

82 SC/Blrn/Z28 V-8 LG4 5.0Litres 145hp A3 4BC ----- ----- 2.73, -----

82 Z-28 V-8 LU5 5.0Litres 165hp M4, A3 CFI 3.23, ----- 2.93, 3.23

83 SC L4 LQ8/LQ9* 2.5Litres 92hp M4, A3 2BC or TBI 3.42, ----- 3.08, 3.23

83 SC L4 LQ8/LQ9* 2.5Litres 92hp M5, A4 2BC or TBI 3.73, ----- 3.42, -----

83 SC/Blrn V-6 LC1 2.8Litres 107hp M5, A4 2BC 3.42, ----- 3.08, 3.23

83 SC/Blrn/Z28 V-8 LG4 5.0Litres 150hp M5, A4 4BC 3.23, 3.73 3.08, -----

83 Z-28 V-8 LU5 5.0Litres 175hp A4 CFI ----- ----- 2.93, 3.23

83 Z-28 V-8 L69 5.0Litres 190hp M5 HO 3.73, ----- ----- -----

84 SC L4 LQ9 2.5Litres 92hp M4 2BC or TBI 3.42, ----- -----, -----

84 SC L4 LQ9 2.5Litres 92hp M5, A4 2BC or TBI 3.73, ----- 3.73, -----

84 SC/Blrn V-6 LC1 2.8Litres 107hp M5, A4 2BC 3.42, ----- 3.23, -----

84 SC/Blrn/Z28 V-8 LG4 5.0Litres 150hp M5, A4 4BC 3.23, 3.73 3.08, -----

84 Z28 V-8 L69 5.0Litres 190hp M5, A4 HO 3.73, ----- 3.42, -----

85 SC L4 LQ9 2.5Litres 88hp M5, A4 2BC or TBI 3.73, ----- 3.73, -----

85 SC/Blrn V-6 LB8 2.8Litres 135hp M5, A4 MFI 3.42, ----- 3.42, -----

85 SC/Blrn/Z28 V-8 LG4 5.0Litres 155hp A4 4BC -----, ----- 3.08, -----

85 IROC-Z/Z28 V-8 LG4 5.0Litres 155hp M5, A4 4BC 3.23, ----- 3.08, -----

85 IROC-Z V-8 L69 5.0Litres 190hp M5 HO 3.73, ----- -----, -----

85 IROC-Z/Z28 V-8 LB9 5.0Litres 215hp A4 TPI -----, ----- 3.23, 3.42

86 SC L4 LQ9 2.5Litres 88hp M5 2BC or TBI 3.73, ----- -----, -----

86 SC/Brln V-6 LB8 2.8Litres 135hp M5, A4 MFI 3.42, ----- 3.42, -----

86 SC/Blrn V-8 LG4 5.0Litres 155hp M5, A4 4BC 2.73, ----- 2.73, -----

86 Z28/IROC V-8 LG4 5.0Litres 165hp M5, A4 HO 3.23, 3.73 2.73, -----

86 Z28/IROC V-8 L69 5.0Litres 190hp M5 TPI 3.23, 3.73 -----,-----

86 Z28 V-8 LB9 5.0Litres 190hp A4 TPI -----, ----- 2.73, 3.23

86 IROC V-8 LB9 5.0Litres 190hp M5, A4 TPI -----, ----- 2.73, 3.42

86 IROC V-8 L98 5.7Litres 220hp A4 TPI -----, ----- 3.27, -----

87 SC/LT/RS V-6 LB8 2.8Litres 135hp M5, A4 MFI 3.42, ----- 3.42, -----

87 SC/LT V-8 LG4 5.0Litres 165hp M5, A4 4BC 3.23, ----- 2.73, -----

87 Z28/IROC V-8 LG4 5.0Litres 170hp M5, A4 4BC 3.23, ----- 2.73, -----

87 Z28/IROC V-8 LB9 5.0Litres 190hp A4 TPI -----, ----- 2.73, 3,23

87 Z28 V-8 LB9 5.0Litres 215hp M5, TPI 3.08, ----- -----, -----

87 IROC V-8 LB9 5.0Litres 215hp M5, TPI 3.08, 3.45 -----, -----

87 IROC V-8 L98 5.7Litres 225hp A4 TPI -----, ----- 3.27, -----

88 SC V-6 LB8 2.8Litres 135hp M5, A4 MFI 3.42, ----- 3.42, -----

88 SC/IROC V-8 LO3 5.0Litres 170hp M5, A4 TPI 3.08, ----- 2.73, -----

88 IROC V-8 LB9 5.0Litres 195hp A4 TPI -----, ----- 2.73, 3.23

88 IROC V-8 LB9 5.0Litres 220hp M5 TPI 3.08, 3.45 -----, -----

88 IROC V-8 L98 5.7Litres 230hp A4 TPI -----, ----- 2.77, 3.27

89 RS V-6 LB8 2.8Litres 135hp M5, A4 MFI 3.42, ----- 3.42, -----

89 RS/IROC V-8 LO3 5.0Litres 170hp M5, A4 TBI 3.08, ----- 3.73, -----

89 IROC V-8 LB9 5.0Litres 195hp A4 TPI -----, ----- 2.73, -----

89 IROC V-8 LB9 5.0Litres 220hp M5 TPI 3.02, ----- -----, -----

89 IROC V-8 LB9 5.0Litres 230hp M5 TPI 3.45, ----- -----, -----

89 IROC V-8 L98 5.7Litres 230hp A4 TPI -----, ----- 2.77, -----

89 IROC V-8 L98 5.7Litres 240hp A4 TPI -----, ----- 3.27, -----

90-92

Year	Model	Engine	Type/Code	Litres	HP	Transmission	Fuel System	Manual	Automatic
82	SC	L4	LQ8/LQ9*	2.5Litres	90hp	M4, A3	2BC or TBI	3.24, -----	2.93, 3.08
82	SC/Blrn	V-6	LC1	2.8Litres	102hp	M4, A3	2BC	3.23, -----	3.08, -----
82	SC/Blrn/Z28	V-8	LG4	5.0Litres	145hp	A3	4BC	----- -----	2.73, -----
82	Z-28	V-8	LU5	5.0Litres	165hp	M4, A3	CFI	3.23, -----	2.93, 3.23
83	SC	L4	LQ8/LQ9*	2.5Litres	92hp	M4, A3	2BC or TBI	3.42, -----	3.08, 3.23
83	SC	L4	LQ8/LQ9*	2.5Litres	92hp	M5, A4	2BC or TBI	3.73, -----	3.42, -----
83	SC/Blrn	V-6	LC1	2.8Litres	107hp	M5, A4	2BC	3.42, -----	3.08, 3.23
83	SC/Blrn/Z28	V-8	LG4	5.0Litres	150hp	M5, A4	4BC	3.23, 3.73	3.08, -----
83	Z-28	V-8	LU5	5.0Litres	175hp	A4	CFI	----- -----	2.93, 3.23
83	Z-28	V-8	L69	5.0Litres	190hp	M5	HO	3.73, -----	----- -----
84	SC	L4	LQ9	2.5Litres	92hp	M4	2BC or TBI	3.42, -----	-----, -----
84	SC	L4	LQ9	2.5Litres	92hp	M5, A4	2BC or TBI	3.73, -----	3.73, -----
84	SC/Blrn	V-6	LC1	2.8Litres	107hp	M5, A4	2BC	3.42, -----	3.23, -----
84	SC/Blrn/Z28	V-8	LG4	5.0Litres	150hp	M5, A4	4BC	3.23, 3.73	3.08, -----
84	Z28	V-8	L69	5.0Litres	190hp	M5, A4	HO	3.73, -----	3.42, -----
85	SC	L4	LQ9	2.5Litres	88hp	M5, A4	2BC or TBI	3.73, -----	3.73, -----
85	SC/Blrn	V-6	LB8	2.8Litres	135hp	M5, A4	MFI	3.42, -----	3.42, -----
85	SC/Blrn/Z28	V-8	LG4	5.0Litres	155hp	A4	4BC	-----, -----	3.08, -----
85	IROC-Z/Z28	V-8	LG4	5.0Litres	155hp	M5, A4	4BC	3.23, -----	3.08, -----
85	IROC-Z	V-8	L69	5.0Litres	190hp	M5	HO	3.73, -----	-----, -----
85	IROC-Z/Z28	V-8	LB9	5.0Litres	215hp	A4	TPI	-----, -----	3.23, 3.42
86	SC	L4	LQ9	2.5Litres	88hp	M5	2BC or TBI	3.73, -----	-----, -----
86	SC/Brln	V-6	LB8	2.8Litres	135hp	M5, A4	MFI	3.42, -----	3.42, -----
86	SC/Blrn	V-8	LG4	5.0Litres	155hp	M5, A4	4BC	2.73, -----	2.73, -----
86	Z28/IROC	V-8	LG4	5.0Litres	165hp	M5, A4	HO	3.23, 3.73	2.73, -----
86	Z28/IROC	V-8	L69	5.0Litres	190hp	M5	TPI	3.23, 3.73	-----,-----
86	Z28	V-8	LB9	5.0Litres	190hp	A4	TPI	-----, -----	2.73, 3.23
86	IROC	V-8	LB9	5.0Litres	190hp	M5, A4	TPI	-----, -----	2.73, 3.42
86	IROC	V-8	L98	5.7Litres	220hp	A4	TPI	-----, -----	3.27, -----
87	SC/LT/RS	V-6	LB8	2.8Litres	135hp	M5, A4	MFI	3.42, -----	3.42, -----
87	SC/LT	V-8	LG4	5.0Litres	165hp	M5, A4	4BC	3.23, -----	2.73, -----
87	Z28/IROC	V-8	LG4	5.0Litres	170hp	M5, A4	4BC	3.23, -----	2.73, -----
87	Z28/IROC	V-8	LB9	5.0Litres	190hp	A4	TPI	-----, -----	2.73, 3,23
87	Z28	V-8	LB9	5.0Litres	215hp	M5,	TPI	3.08, -----	-----, -----
87	IROC	V-8	LB9	5.0Litres	215hp	M5,	TPI	3.08, 3.45	-----, -----
87	IROC	V-8	L98	5.7Litres	225hp	A4	TPI	-----, -----	3.27, -----
88	SC	V-6	LB8	2.8Litres	135hp	M5, A4	MFI	3.42, -----	3.42, -----
88	SC/IROC	V-8	LO3	5.0Litres	170hp	M5, A4	TPI	3.08, -----	2.73, -----
88	IROC	V-8	LB9	5.0Litres	195hp	A4	TPI	-----, -----	2.73, 3.23
88	IROC	V-8	LB9	5.0Litres	220hp	M5	TPI	3.08, 3.45	-----, -----
88	IROC	V-8	L98	5.7Litres	230hp	A4	TPI	-----, -----	2.77, 3.27
89	RS	V-6	LB8	2.8Litres	135hp	M5, A4	MFI	3.42, -----	3.42, -----
89	RS/IROC	V-8	LO3	5.0Litres	170hp	M5, A4	TBI	3.08, -----	3.73, -----
89	IROC	V-8	LB9	5.0Litres	195hp	A4	TPI	-----, -----	2.73, -----
89	IROC	V-8	LB9	5.0Litres	220hp	M5	TPI	3.02, -----	-----, -----
89	IROC	V-8	LB9	5.0Litres	230hp	M5	TPI	3.45, -----	-----, -----
89	IROC	V-8	L98	5.7Litres	230hp	A4	TPI	-----, -----	2.77, -----
89	IROC	V-8	L98	5.7Litres	240hp	A4	TPI	-----, -----	3.27, -----
90-92