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1971 Camaro SS
454 cubic inch motor & 4 speed transmision
1971 Camaro Engine & Drivetrain Info
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CID |
Config |
Bore & Stroke |
Gross HP @ RPM |
Net HP @ RPM |
Gross Torque @ rpm |
Net Torque @ rpm |
Comp |
Carb. |
| Base |
250 |
L-6 |
3.875 x 3.53 |
145 @ 4200 |
110 @ 3800 |
230 @ 1600 |
185 @ 1600 |
8.5:1 |
1V |
| Base |
307 |
V-8 |
3.875 x 3.25 |
200 @ 4600 |
140 @ 4400 |
300 @ 2400 |
235 @ 2400 |
8.5:1 |
2V |
| L-65 |
350 |
V-8 |
4.00 x 3.48 |
245 @ 4800 |
165 @ 4000 |
350 @ 2800 |
280 @ 2400 |
8.5:1 |
2V |
| L-48 |
350 |
V-8 |
4.00 x 3.48 |
270 @ 4800 |
210 @ 4400 |
360 @ 3200 |
300 @ 2800 |
8.5:1 |
4V |
| Z-28 |
350 |
V-8 |
4.00 x 3.48 |
330 @ 5600 |
275 @ 5600 |
360 @ 4000 |
300 @ 4000 |
9.0:1 |
4V |
| LS-3 |
396 |
V-8 |
4.126 x 3.76 |
300 @ 4800 |
260 @ 4400 |
400 @ 3200 |
345 @ 3200 |
8.5:1 |
4V |
Notes: 1971 was the year GM lowered compression ratios and began to record horsepower and torque in terms of "net" instead of "gross". The LS-3 "396" V-8 actually displaced 402 cid.
Engine Suffix Codes
| CAA: 250ci, mt |
CGK: 350ci, mt, 270hp/SS |
CJG: 350ci, mt, 270hp/SS |
| CAB: 250ci, pg |
CGL: 350ci, at, 270hp/SS |
CLA (CLC): 396ci, hp, mt, 300hp/SS |
| CCA: 307ci, mt |
CGP: 350ci, mt, z |
CLB (CLD): 396ci, at, hp, 300hp/SS |
| CCC: 307ci, at, pg |
CGR: 350ci, at, z |
CGB: 350ci, pg |
| CJD: 350ci, at, 270hp/SS |
Abbreviations: at = Turbo Hydramatic automatic, ci = cubic inch, hp = high performance, pg = Powerglide automatic transmission, mt = manual transmission, sp = special high performance, z = RPO Z28 special performance package. SS = super sport, (CLC/CLD engine code usage is unverified)
Engine Code Example: V0328CGP - (350 330hp Assembled in Flint assembly plant on March 28)
1971 Camaro Powerteams
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Base |
Base |
L-65 |
L48 |
Z-28 |
LS-3 |
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250 |
307 |
350 |
350 |
350 |
396 |
| 3- and 4-spd. |
1 |
2.85:1 |
2.85:1 |
2.54:1 |
2.52:1 |
2,52:1 |
2.20:1 |
| manual |
2 |
1.68:1 |
1.68:1 |
1.80:1 |
1.88:1 |
1.88:1 |
1.64:1 |
| transmission |
3 |
1.00:1 |
1.00:1 |
1.44:1 |
1.46:1 |
1.46:1 |
1.27:1 |
| ratios |
4 |
-- |
-- |
1.00.1 |
1.00:1 |
1.00:1 |
1.00:1 |
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R |
2.95:1 |
2.95:1 |
2.54:1 |
2.59:1 |
2.59:1 |
2.26:1 |
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| Clutch diam., in. |
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9.12 |
10.34 |
10.34 |
11.0 |
11.0 |
11.0 |
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| Axle ratios |
S |
3.08:1 |
3.08:1 |
3.08:1 |
3.42:1 |
3.73:1 |
3.42:1 |
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E |
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P |
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4.10:1 |
-- |
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Base |
Base |
L-65 |
L48 |
Z-28 |
LS-3 |
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250 |
307 |
350 |
350 |
350 |
396 |
| Powerglide & |
1 |
1,82:1 |
1.82:1a |
2.52:1 |
2.52:1 |
2.48:1 |
2.48:1 |
| Turbo Hydra- |
2 |
1.00:1 |
1.00:1 |
1.52:1 |
1.52:1 |
1.48:1 |
1.48:1 |
| matic ratios |
3 |
-- |
-- |
1.00:1 |
1.00:1 |
1.00:1 |
1.00:1 |
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R |
1.82:1 |
1.82:1 |
1.93:1 |
1.93:1 |
2.08:1 |
2.08:1 |
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| Axle ratios |
S |
3.08:1 |
3.08:1 |
2.73:1 |
3.08:1 |
3.73:1 |
3.42:1 |
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E |
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P |
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3.42:1 |
-- |
4.10:1 |
Only manual transmission available with base 250 and 307 was the 3-speed.
Only manual transmission for larger V-8's were 4-speeds.
a = Turbo Hydra-Matic with 2.52:1 low also available with 307 V-8.
S = Standard ratio, E = Economy, P = Performance.
Transmission Codes
| Type |
Plant |
Code |
| 3-Speed |
Muncie L.D. |
S |
| 4-Speed (cast iron case) |
Muncie L.D. |
R |
| 4-Speed (Aluminum case) |
Muncie H.D. |
P |
| Powerglide |
Cleveland |
C |
| Powerglide |
McKinnon |
E |
| Turbo Hydramatic 350 |
Cleveland |
B |
| Turbo Hydramatic 350 |
Toledo |
Y |
| Turbo Hydramatic 350 |
GM Canada |
J |
Transmission Code Example: P1C27C - (1971 Muncie 4 speed, assembled March 27, M22 w/2.20 1st gear)
TH400 transmission code is CY and is stamped on a tag which is rivited to transmission case.
Rear Axle Codes
| CA |
2.73:1 Locking |
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CK |
3.42:1 |
| CB |
4.10:1 |
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GX |
3.08:1 |
| CG |
3.73:1 |
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GY |
3.08:1 Locking |
| CJ |
3.42:1 Locking |
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GZ |
2.73:1 |
Rearend Code Example: CJG100DE - (Chevy sourced 3.42 Posi, Assembled on day shift of 100th day of the year w/ Eaton Posi)
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