1968 Chevelle Power Teams
These are the engine, transmission, and rear axle combinations for the 1968 Chevelle.
In 1968, General Motors offered five different engines in nine different horse-power ratings, twelve different transmissions, and two different rear axles with eleven different axle ratios.
The engines offered were the 230 with 140 hp, the 250 with 155 hp, the 307 with 200 hp, the 327 with 250 hp, 275 hp or 300 hp, and the 396 with 325 hp, 350 hp or 375 hp.
The transmissions offered were the 3 speed Saginaw with 2:85:1 or 2.54:1 ratio, the special 3 speed Warner with 2:86:1 or 2.41:1 ratio, the 3 speed Saginaw overdrive with 2:85:1 or 2.54:1 ratio, the 4 speed Saginaw with 2.54:1 ratio, the 4 speed Mucie with 2.52:1 ratio or 2.20:1 ratio, the 4 speed heavy duty Muncie with 2.20:1 ratio, the Powerglide, and the Turbo Hydra-Matic.
The rear axles were offered in either a 10 bolt or 12 bolt differential using 2.73, 3.07, 3.08, 3.31, 3.36, 3.55, 3.70, 3.73, 4.10, 4.56, or 4.88 axle ratios with or without positraction.
Engine | Transmission | Model Application | Axle Ratios (1) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2.73:1 | 3.07:1 | 3.08:1 | 3.31:1 | 3.36:1 | 3.55:1 | 3.70:1 | 3.73:1 | 4.10:1 | 4.56:1 | 4.88:1 | |||
230 Cubic Inch L-6 Turbo-Thrift 230 140 HP Standard and 250 Cubic Inch L-6 Turbo-Thift 250 155 HP RPO L22 |
3-Spd. (2.85:1 low) Spcl. 3-Spd. (2.86:1 low) Powerglide |
All Models | Econ. | Std. | Perf. | Spcl. | |||||||
With Air Conditioning | Std. | Perf. | Spcl. | ||||||||||
3-Spd. Overdrive (2.85:1 low) | All Models | Std. | |||||||||||
With Air Conditioning | Std. | ||||||||||||
307 Cubic Inch V-8 Turbo-Fire 307 200 HP Standard | 3-Spd. (2.54:1 low) Spcl. 3-Spd. (2.41:1 low) 4-Spd (2.54:1) Powerglide |
All Models | Econ. | Std. | Perf. | Spcl. | Spcl. | ||||||
With Air Conditioning | Std. | Perf. | Spcl. | ||||||||||
3-Spd Overdrive (2.54:1 low) | All Models | Std. | |||||||||||
With Air Conditioning | Std. | ||||||||||||
327 Cubic Inch V-8 Turbo-Jet 327 250 HP Standard and 327 Cubic Inch V-8 Turbo-Jet 327 275 HP L30 |
3-Spd. (2.54:1 low) Spcl. 3-Spd. (2.41 low) Powerglide |
All Models | Econ. | Std. | Perf. | Spcl. | Spcl. | ||||||
With Air Conditioning | Std. | Perf. | Spcl. | ||||||||||
4-Spd. (2.54:1) | All Models | Econ. | Std. | Perf. | Spcl. | Spcl. | |||||||
With Air Conditioning | Std. | Perf. | Spcl. | ||||||||||
327 Cubic Inch V-8 Turbo-Jet 327 325 HP RPO L79 | Spcl. 3-Spd. (2.41:1 low) 4-Spd. (2.52:1) |
All Models | Econ. | Std. | Perf. | Spcl. | |||||||
With Air Conditioning | Std. | Perf. | Spcl. | ||||||||||
4-Spd. (2.20:1) | All Models | Econ. | Std. | Perf. | Spcl. | Spcl. | Spcl. | Spcl. | |||||
With Air Conditioning | Std. | Perf | Spcl. | ||||||||||
396 Cuibic Inch V-8 Turbo-Jet 396 325 HP RPO L35 | Spcl. 3-Spd. (2.41:1 low) |
All Models | Econ. | Std. | Perf. | Spcl. | |||||||
With Air Conditioning | Std. | ||||||||||||
Powerglide | All Models | Econ. | Std. | Perf. | Spcl. | Spcl. | Spcl. | ||||||
With Air Conditioning | Std. | ||||||||||||
Turbo Hyrda-Matic | All Models | Std. | Perf. | Spcl. | |||||||||
With Air Conditioning | Std. | ||||||||||||
396 Cubic Inch V-8 Turbo-Jet 396 350 HP RPO L34 | Spcl. 3-Spd. (2.41:1 low) |
All Models | Econ | Std. | Perf. | Spcl. | |||||||
With Air Conditioning | Std. | ||||||||||||
4-Spd (2.20:1) | All Models | Spcl. | Econ. | Std. | Perf. | Spcl. | Spcl. | Spcl. | |||||
With AIr Conditioning | Std. | ||||||||||||
Powerglide | All Models | Econ. | Std. | Perf. | Spcl. | Spcl. | |||||||
With Air Conditioning | Std. | ||||||||||||
Turbo Hyrda-Matic | All Models | Econ. | Std. | Perf. | |||||||||
With Air Conditioning | Std. | ||||||||||||
396 Cubic Inch V-8 Turbo-Jet 396 375 HP RPO 78 | Spcl. 3-Spd. (2.41:1 low) 4-Spd. (2.52:1) |
All Models | Econ. | Std. | Perf. | Spcl. | |||||||
4-Spd (2.20:1) H.D. 4-Spd. (2.20:1) |
All Models | Spcl. | Econ. | Std. | Perf. | Spcl. | Spcl. | Spcl. |
1 - Positraction axle required for 4.10:1, 4.56:1 and 4.88:1 ratio; available optionally for all other ratios.
Std. - Standard, Econ. - Economy, Perf. - Performance, Spcl. - Special