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1953 - 1967 Corvette Specification Guide

1953-1954 Corvette Power Team Combinations

Engine H.P. Torque Equip. C.R Trans. Axle
235 L - 6 150 @ 4200* 223 @ 2400 3X1 bbl. 8.0:1 Powerglide 3.55:1

* Camshaft change increased horsepower to 155 during 1954 model year.

1955 Corvette Power Team Combinations

Engine H.P. Torque Equip. C.R Trans. Axle
235 L - 6 155 @ 4200 225 @ 2800 3X1 bbl. 8.0:1 Powerglide 3.55:1
265 V - 8 195 @ 5000 260 @ 3000 1X4 bbl. 8.0:1 Powerglide 3.55:1
3-Speed 3.55:1

1956 Corvette Power Team Combinations

Engine H.P. Torque Equip. C.R Trans. Axle
265 V - 8 210 @ 5200

 

 270 @ 3200

 

 1X4 bbl.

 

 9.25:1

 

 3-Speed

3.70:1

3.27:1*

4.11:1*
Powerglide 3.55:1
265 V - 8

 

 255 @ 5200

 

 270 @ 3600

 

 2X4 bbl.

 

 9.25:1

 

 3-Speed

3.70:1

3.27:1*

4.11:1*
Powerglide 3.55:1
265 V - 8 240 -- 2X4 bbl. hi-lift cam 9.25:1 3-Speed

3.70:1

3.27:1*

4.11:1*

 

* Optional axle ratios

 

1957 Corvette Power Team Combinations

 

Engine H.P. Torque Equip. C.R Trans. Axle Posi
283 V - 8 220 @ 4800 300 @ 3000

1x4 bbl.

reg. cam

 9.5:1 Manual 3.70:1

3.70:1

4.11:1

4.56:1
Powerglide 3.55:1 - -
283 V - 8 245 @ 5000 300 @ 3800

2x4 bbl.

reg. cam

 9.5:1 Manual 3.70:1

3.70:1

4.11:1

4.56:1
Powerglide 3.55:1 --
283 V - 8 250 @ 5000 305 @ 3800 F.I reg. cam 9.5:1 Manual 3.70:1

3.70:1

4.11:1

4.56:1
Powerglide 3.55:1 --
283 V - 8 270 @ 6000 285 @ 4200 2 x 4 bbl. hi-lift cam 9.5:1 Manual 3.70:1

3.70:1

4.11:1

4.56:1

 
283 V - 8 283 @ 6200 290 @ 4400 F. I. hi-lift cam 10.51:1 Manual 3.70:1

3.70:1

4.11:1

4.56:1

 

1958-1959 Corvette Power Team Combinations

Engine H.P. Torque Equip. C.R. Trans. Axle Posi
283 V - 8 230 @ 4800 300 @ 3000

1x4 bbl.

reg. cam

 9.5:1

 

 Manual 3.70:1

3.70:1

4.11:1

4.56:1
Powerglide 3.55:1 - -
283 V - 8 245 @ 5000 300 @ 3800

2x4 bbl.

reg. cam

 9.5:1

 

 Manual 3.70:1

3.70:1

4.11:1

4.56:1
Powerglide 3.55:1 - -
283 V - 8 250 @ 5000 305 @ 3800 F.I reg. cam 9.5:1 Manual 3.70:1

3.70:1

4.11:1

4.56:1
Powerglide 3.55:1 - -
283 V - 8 270 @ 6000 285 @ 4200 2 x 4 bbl. hi-lift cam 9.5:1

 

 Manual 3.70:1

3.70:1

4.11:1

4.56:1

 
283 V - 8 290 @ 6200 290 @ 4400 F. I. hi-lift cam

 

 10.51:1

 

 Manual 3.70:1

3.70:1

4.11:1

4.56:1

 

1960 Corvette Power Team Combinations

Engine H.P. Torque Equip. C.R. Trans. Axle Posi
283 V - 8 230 @ 4800 300 @ 3000

1x4 bbl.

reg. cam

 

 9.5:1

 

 Manual 3.70:1

3.70:1

4.11:1

4.56:1
Powerglide 3.55:1 - -
283 V - 8 245 @ 5000 300 @ 3800

2x4 bbl.

reg. cam

 

 9.5:1

 

 Manual 3.70:1

3.70:1

4.11:1

4.56:1
Powerglide 3.55:1 - -
283 V - 8 250* @ 5000 305 @ 3800 F.I reg. cam 9.5:1

 

 Manual 3.70:1

3.70:1

4.11:1

4.56:1
283 V - 8 270 @ 6000 285 @ 4200 2 x 4 bbl. hi-lift cam 9.5:1

 

 Manual 3.70:1

3.70:1

4.11:1

4.56:1

 
283 V - 8 290* @ 6200 290 @ 4400 F. I. hi-lift cam

 

 10.51:1

 

 Manual 3.70:1

3.70:1

4.11:1

4.56:1

 

* Although advertised at 275 and 315 horsepower with aluminum cylinder heads, 250 and 290 horsepower  (1959) engines with cast-iron heads were used.

1961 Corvette Power Team Combinations

Engine

Gross        Horsepower
Gross  Torque     (lb.ft.)                  

Identifying Equipment

Comp.  Ratio

Transmission

Axle Ratio

Positraction Axle Ratio

Base Prod.

283 Cu. In. V-8

 230 at 4800 rpm 300 at 3000 rpm 4-bbl. carb.

9.5-to-1

3-speed

 3.36

3-spd. trans. available with 3.36, 4.11 & 4.56.

4-spd. trans. available with 3.70, 4.11 & 4.56.

None available with Powerglide

4-speed

 3.70

Powerglide

 3.55

Optional 283 Cu. In. V-8

.

245 at 5000 rpm

 300 at 3800 rpm

2, 4-bbl. carbs.

9.5-to-1

3-speed

 3.36

4-speed

 3.70

Powerglide

 3.55
270 at 6000 rpm 285 at 4200 rpm

2, 4-bbl. carbs and spec. com.

9.5-to-1

3-speed

 3.36

4-speed

 3.70
275 at 5200 rpm 305 at 4400 rpm

Fuel Injection

11.0-to-1

3-speed

 3.36

4-speed

 3.70
315 at 6200 rpm

295 at 47-5100 rpm

F.I and spec. com

11.0-to-1

3-speed

 3.36

4-speed

 3.70

1962 Corvette Power Team Combinations

Engine
Gross Horsepower
Compression Ratio

Identifying Equipment

Transmission

Std.  Axle Ratio

Positraction Axle Ratios
Gross Torque

327 Cu. In.     V-8     

Base Engine  

 Bore--4.00"   Stroke--3.75"

 250 @  4400

10.5:1

 4-Barrel Carb.  (Carter WCFB)  

Hydraulic Lifters    

3-speed

 3.36:1 3.36:1

 
350 @  2800

4-speed  (2.54:1 Low)

 3.36:1*                    3.08:1                  

3.36:1

 

Powerglide

 3.36:1 3.36:1

 

327 Cu. In. V-8     

RPO 583

 300 @ 5000

 

10.5:1

 

 

4-Barrel           Alum. Carb.  (Carter AFB)  

Hydraulic Lifters    

 

 3-speed 3.36:1

3.36:1
360 @ 3200

4-speed  (2.54:1 Low)

 3.36:1* 3.08:1                  

3.36:1

                                        

Powerglide 3.36:1 3.36:1*

327 Cu. In. V-8     

RPO 396

 

 340 @ 6000

11.25:1

 

4-Barrel           Alum. Carb.  (Carter AFB)  

Spec. Camshaft

Mech. Lifters  

 

3-speed

 3.36:1

3.36:1
344 @ 4000

4-speed  (2.20:1 Low)

 

 3.70:1

                          3.08:1                                   3.55:1 

3.70:1

4.11:1

4.56:1

                                

327 Cu. In. V-8     

RPO 582

 

 360 @ 6000

11.25:1

 

Fuel Injection

Spec. Camshaft

Mech. Lifters  

 

 3-speed 3.36:1

3.36:1
352  @ 4000

4-speed  (2.20:1 Low)

 

 3.70:1

3.08:1                          3.55:1 

3.70:1

4.11:1

4.56:1

 

1963 Corvette Power Team Combinations

Engine
Gross Horsepower
Compression Ratio
Identifying Equipment
Transmission
Std.  Axle Ratio
Positraction Axle Ratios
Gross Torque

327 Cu. In.

Base Engine

 Bore--4.00" Stroke--3.25"

 

 250 hp @ 4400 rpm

..........................

350ft.lbs. @ 2800 rpm

10.5:1

 

4-Barrel Carb.  (Carter WCFB)  

 

   

Hydraulic Lifters

3-speed

3.36:1

3.36:1

4-speed  (2.20:1 Low)

 

3.36:1*

3.08:1 

3.36:1

Powerglide

3.36:1

3.36:1

327 Cu. In. V-8     

RPO L75

 

 300 hp @ 5000 rpm

..........................

360ft. lbs. @ 3200 rpm

 

10.5:1

 

 4-Barrel           Alum. Carb.  (Carter AFB)  

 

Hydraulic Lifters

3-speed

 

3.36:1

3.36:1
 

3.36:1*

 

3.08:1 

3.36:1

 

 

Powerglide

3.36:1

3.36:1

327 Cu. In. V-8     

RPO  L76

 

 340 hp @ 6000 rpm

..........................

344 ft. lbs.@ 40000 rpm

 

11.25:1

4-Barrel           Alum. Carb.  (Carter AFB)  

Spec. Camshaft

Mech. Lifters  

 

3-speed

3.36:1

 

3.36:1

4-speed    

 (2.54:1 Low)

 

3.70:1

3.08:1 

3.36:1

3.55:1 

3.70:1

4.11:1

4.56:1

 

 

327 Cu. In. V-8     

RPO  L84

 

 360 hp @ 6000 rpm

..........................

352 ft. lbs. @ 4000 rpm

 

11.25:1

Fuel Injection

Spec. Camshaft

Mech. Lifters  

 

3-speed

 

3.36:1

3.36:1

4-speed    

 (2.54:1 Low)

 

3.70:1

3.08:1 

3.36:1

3.55:1 

3.70:1

4.11:1

4.56:1

 

1964 Corvette Power Team Combinations

Engine
Gross Horsepower
Compression Ratio
Identifying Equipment
Transmission
Std.  Axle Ratio
Positraction Axle Ratios
Gross Torque

327 Cu. In.    V-8     

Base Engine  

 Bore--4.00" Stroke--3.25"

 

250 hp @ 4400 rpm

..........................

350ft.lbs. @ 2800 rpm

 

10.5:1

4-Barrel Carb.  (Carter WCFB)

 Hydraulic Lifters

3-speed

 

3.36:1

3.36:1

 

4-speed    

 (2.56:1 Low)

 

3.36:1*

       3.08:1         3.36:1 

 

 

Powerglide

3.36:1

3.36:1

 

327 Cu. In. V-8     

RPO L75

 

300 hp @ 5000 rpm

..........................

360ft. lbs. @ 3200 rpm

 

10.5:1

4-Barrel           Alum. Carb.  (Carter AFB)  

 Hydraulic Lifters

3-speed

 

3.36:1

3.36:1

 

4-speed    

 (2.56:1 Low)

 

 

3.36:1*

 3.08:1        3.36:1   

 

Powerglide

 

3.36:1

3.36:1

 

327 Cu. In. V-8     

RPO  L76

 

365 hp @ 6200 rpm

..........................

350ft. lbs. @ 4000 rpm

 

11.0:1

4-Barrel           Alum. Carb.  (Holley 4150C)  

Spec. Camshaft

Mech. Lifters  

 

3-speed

3.36:1

3.36:1

4-speed    

 (2.20:1 Low)

 

3.70:1

       3.08:1

3.36:1

3.55:1 

3.70:1

4.11:1

4.56:1

 

 

 

327 Cu. In. V-8     

RPO  L84

 

375 hp @ 6200 rpm

..........................

350ft. lbs. @ 4600 rpm

 

11.0:1

Fuel Injection (Rochester)

Spec. Camshaft

Mech. Lifters  

 

 

3-speed

 

3.36:1

3.36:1

4-speed    

 (2.20:1 Low)

 

3.70:1

3.08:1 

3.36:1

3.55:1 

3.70:1

4.11:1

4.56:1

 

1965 Corvette Power Team Combinations

   AXLE RATIOS**

ENGINE

EQUIPMENT

 TRANSMISSION General Purpose Standard Special Purpose or Mountain Performance Cruise High Performance
250 HP ENGINE         

327 CUBIC INCH V-8 STANDARD

 FOUR-BARREL CARBURETOR HYDRAULIC LIFTERS 3-SPEED (2.58:1 low)   4-SPEED (2.56:1 low) POWERGLIDE

   3.36:1       3.36:1  3.36:1

 

3.08:1

  

300 HP ENGINE         

 327 CUBIC INCH V-8 

 RPO - L75

 LARGE 4-BARREL ALUMINUM CARB. HYDRAULIC LIFTERS 4-SPEED (2.56:1 low) POWERGLIDE

3.36:1  3.36:1

 

3.08:1

  

350 HP ENGINE         

 327 CUBIC INCH V-8   RPO - L79

 LARGE 4-BBL CARB. HIGH LIFT CAM HYDRAULIC LIFTERS 4-SPEED (2.20:1)

3.70:1

4.11:1*

3.55:1

  

365 HP ENGINE         

327 CUBIC INCH V-8  

 RPO - L76

 LARGE 4-BBL CARB. SPECIAL CAMSHAFT MECHANICAL LIFTERS 4-SPEED (2.20:1 Low)

3.70:1

4.11:1*

 3.08:1*  3.36:1*  3.55:1*

 

4.56:1*

375 HP ENGINE         

327 CUBIC INCH V-8  

 RPO - L84

 FUEL INJECTION SPECIAL CAMSHAFT MECHANICAL LIFTERS 4-SPEED (2.20:1 Low)

3.70:1

4.11:1*

 3.08:1*  3.36:1*  3.55:1*

4.56:1*

425 HP ENGINE         

 396 CUBIC INCH V-8 

 RPO - L78

 LARGE 4-BBL CARB. SPECIAL CAMSHAFT MECHANICAL LIFTERS 4-SPEED (2.20:1 Low)

3.36:1*

4.11:1*

 3.08:1*  3.55:1*  3.70:1*

4.56:1*

1966 Corvette Power Team Combinations

Engine Bore & Stroke
Gross HP & Torque

Equipment
Comp. Ratio
Transmission

Rear Axle Ratio
General  Purpose Standard
Mountain
Economy Cruise
Special Purpose 

327 Cu. In.   V-8 Base Engine  

  4.00 x 3.25

 300 @ 5000

360 @ 3200

 4-Barrel Carburetor

 Hydraulic Lifters

 

 

10.5:1

 

 3-Speed (2.54:1 low) 

3.36:1*

-

-

-
4-Speed (2.52:1 low) 

3.08:1+
Powerglide

-

327 Cu. In.   V-8

RPO L79       4.00 x 3.25

 350 @ 5800

360 @ 3600

 

 4-Barrel Carburetor

 Hydraulic Lifters

 

11.0:1

 

 4-Speed (2.52:1 low) 

3.36-1*

3.55:1+

 

-

-
4-Speed (2.20:1 low) 

3.70:1*

4.11:1+

 

427 Cu. In.   V-8

RPO L36       4.25 x 3.76

 

 400 @ 5400  (390 hp.)

465 @ 3600

 

 4-Barrel Carburetor

 Hydraulic Lifters

 

10.25:1

 

 4-Speed (2.52:1 low) 

3.08:1+

3.36:1+

 

-

-
H.D. 4-Speed (2.20:1 low)

3.36:1+

3.70:1+

 

3.08:1+

427 Cu. In.   V-8

RPO L72       4.25 x 3.76

 

 

 450 @ 6400  (425 hp.)

465 @ 4000

 

 Large 4-Bbl. Carburetor

Special Cam Mech. Lifters

11.0:1

 

 4-Speed (2.20:1 low) 

3.55:1+

3.70:1+

 

3.36:1+

4.11:1+

H.D. 4-Speed (2.20:1 low)

ℓℓ

ℓℓ

ℓℓ

 **             See Below

 

 *--also available as positraction.          ℓ--Not recommended for general use.   High noise level.                                         3.08:1+  3.55:1+  4.11:1+

     +--Available as Positraction only           ℓℓ--Customer to specify.  See special purpose ratios listed.                                      3.36:1+  3.70:1+  4.56:1+

1967 Corvette Power Team Combinations

ENGINE
TRANSMISSION
MODEL APPLICATION
         AXLE RATIOS (Axle Ratios for Air Conditioning same as base unless indicated otherwise)
3.08:1
3.36:1
3.55:1
3.70:1
4.11:1
327 Cu. In.   V-8              Turbo-Fire 327                     300 HP Standard

3-Spd (2.54:1 low) &   4-spd(2.52:1 low)

 All Models Econ.** Std.*      

Powerglide

   Std.*      

327 Cu. In.   V-8              Turbo-Fire 327                     350 HP RPO L79

          4-spd(2.52:1 low)

 All Models   Std.* Perf.**    

         4-spd(2.20:1 low)

       Std.* Perf.**

427 Cu. In.   V-8              Turbo-Jet 427                      390 HP RPO L36

          4-spd(2.52:1 low)

 All Models Std.** Perf.**
Econ.** Std.** Perf.** Spcl..**

         4-spd(2.20:1 low)

 All Models Econ.** Std.** Perf.** Spcl.**
Powerglide With Air Conditioning Std.**

427 Cu. In.   V-8              Turbo-Jet 427                      400 HP RPO L68

          4-spd(2.52:1 low)

 All Models Std.** Perf.**
Econ.** Std.** Perf.** Spcl..**

         4-spd(2.20:1 low)

 All Models Econ.** Std.** Perf.** Spcl.**
Powerglide With Air Conditioning Std.**

427 Cu. In.   V-8              Turbo-Fire 427                     435 HP RPO L71

          4-spd(2.20:1 low)

       

All Models (A)   Econ.** Std.** Perf.** Spcl.**

(A) Air Conditioning not available.                                                                                       Std.   - Standard

*  Positraction axles available optionally.                                                                          Econ.  - Economy (optional)

**  Available as positraction only                                                                                         Perf.  - Performance (optional)

                                                                                                                                                     Spcl.  - Special (optional)

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