Third Gen Info
 

Engine codes: (8th digit of VIN)


H LG4 7 LU5 E L03 G L69
F LB9 8 L98 2 LQ9 1 LC1
S LB8 T LH0 7 LC2


Abbreviations:2bbl - 2 Barrel 4bbl - 4 Barrel H.O. - High OutputCFI - Cross Fire InjectionTPI - Tuned Port InjectionTBI - Throttle Body InjectionMPFI - Multi Port Fuel InjectionSFI - Sequential Fuel Injection



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Camshaft Data
Lift Duration Lobe Rocker
Engine GM P/N Int. Exh. Int. Exh. Separation Arm Ratio
1985 (L69 and LB9)

305 AT
14088843
.403
.415
202
206
114.5
(115/-114)

1986 (LB9)

305 AT
14094097
.350
.385
178
194
109.0
(106/-112)

1987

305 AT (LB9
10088155*
.350
.384
179
194
109.0
(108/-112)

305 5spd / 350 AT
(LB9/ L98)
14093643*
.404
.415
202
207
114.5
(115/-114)

305
(LM1 Police Pack.)
14093640*
.383
.404
291
202
112
(108/-116)

1988-1989

305 AT
10088155*
.350
.384
179
194
109.0
(108/-112)

305 5spd / 350 AT
10066049*
.415
.430
207
213
117.0
(116/-118)

1990-1992

305 5spd / 305 AT
10088155*
.350
.384
179
194
109.0


305 G92 5spd / 350 AT
10111773*
.413
.428
202
207
114.5
(116/-116)


*roller cams




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GM Coefficiant Drag Results
Year Camaro Firebird
82 Z28: .368/.369 Cd
Trans Am: .323 Cd
S/E: .335 Cd
Base: .333 Cd

84 Z28: .339 Cd
Trans Am: .32 Cd
.299 Cd with standard Aero wheels instead of the High-Tech Turbo aluminum wheels

85 IROC-Z28: .34 Cd

91 GTA: .310 Cd




Weight of Unoptioned 1987 F-Body Combinations
Model Base Weight
IROC-Z 305 5.0 5-Speed 3,250
Formula 305 5.0 5-Speed 3,383
IROC-Z 350 5.7 Automatic Overdrive 3,341
GTA 350 5.7 Automatic Overdrive 3,476




Weight Data on 1992 Camaros
Model Shipping Weight Curb Weight
Camaro Coupe 3,025 3,105
Convertible 3,142 3,220
Z28 Coupe 3,194 3,273
Convertible 3,298 3,377




Weight of Accessories
Code
Item Weight (lbs.)

AC3 Power Seat 7.9
AM9 Fold Down Rear Seat -3.5
AU3 Power Locks 3.1
A31 Power Windows 3.9
B84 Side Molding 1.3
CC1 T-Tops 29.5
C49 Rear defogger 0.9
C60 Air conditioning 41.7 with V-6
C60 Air Conditioning 42.6 with 305 TPI & 700R4
C60 Air conditioning 46.3 with 305 TBI & 700R4
C60 Air Conditioning 42.7 with L98
DE1 Back window Shade 18.5
D34 Vanity Mirror 0.4
DG7 Electric Side Mirrors 1.3
F41 Suspension -6.6
J65 4-wheel disc brakes 2.6 (Z/28 w/L98 only)
K34 Cruise control 5.3
MD8 Automatic Trans 101.9 (with 305 & 350)
N10 Dual converter exhaust 12.8
T96 Fog Lamps 4.4
UA1 H.D. Battery 0.4
UL5 Radio delete -5.7
U75 Power Antenna 2.6

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sticky :imo