1971 Camaro Engine & Drivetrain Info
|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)
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.
|4-Speed (cast iron case)||Muncie L.D.||R|
|4-Speed (Aluminum case)||Muncie H.D.||P|
|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.
1971 Camaro Powerteams
|3- and 4-spd.||1||2.85:1||2.85:1||2.54:1||2.52:1||2,52:1||2.20:1|
|Clutch diam., in.||9.12||10.34||10.34||11.0||11.0||11.0|
Rear Axle Codes
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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