1966 Chevelle Power Teams
These are the engine, transmission, and rear axle combinations for the 1966 Chevelle.
In 1966, General Motors offered five different engines in eight different horse-power ratings, eight different transmissions, and two different rear axles with ten different axle ratios.
The engines offered were the 194 with 120 hp, the 230 with 140 hp, the 283 with 195 hp or 220 hp, the 327 with 275 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 heavy duty 3 speed Warner with 2.41:1 ratio, the 3 speed Saginaw overdrive with 2:85:1 ratio, the 4 speed Saginaw with 2.54:1, the 4 speed Mucie with 2.52:1 ratio or 2.20:1 ratio, and the Powerglide.
The rear axles were offered in either a 10 bolt or 12 bolt differential using 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) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | |||
194 Cubic Inch L-6 Hi-Thrift 194 120 HP Standard and 230 Cubic Inch L-6 Turbo-Thrift 230 140 HP RPO L26 |
3-Spd. (2.85:1 low) | Sedans, Cpes & Conv. | Std. |
Spcl. |
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With Air Conditioning |
Std. |
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Sta. Wags. & Pickups | Std. |
. |
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With Air Conditioning |
Std. |
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Overdrive | All Models | Std. |
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With Air Conditioning |
Std. |
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Powerglide | Sedans, Cpes & Conv. | Std. |
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With Air Conditioning |
Std. |
. |
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Sta. Wags. & Pickups | Std. |
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With Air Conditioning |
Std. |
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283 Cubic Inch V-8 Turbo-Fire 283 195 HP Standard and 283 Cubic Inch V-8 Turbo-Fire 283 220 HP RPO L77 |
3-Spd. (2.85:1 low) | All Models exc. Pickups | Std. |
Spcl. |
||||||||
With Air Conditioning |
Std. |
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Pickups | Std. |
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With Air Conditioning |
Std. |
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Overdrive | All Models | Std. |
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With Air Conditioning |
Std. |
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4-Spd. (2.54:1 low) | All Models exc. Pickups | Std. |
Spcl. |
|||||||||
With Air Conditioning |
Std. |
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Pickups | Std. |
Spcl. |
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With Air Conditioning |
Std. |
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Powerglide | All Models | Std. |
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With Air Conditioning |
Std. |
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327 Cubic Inch V-8 Turbo-Fire 327 275 HP RPO L30 | 3-Spd. (2:54:1 low) | All Models exc. Pickups | Std. |
. |
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With Air Conditioning |
Std. |
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Pickups | Std. |
Spcl. |
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4-Spd. (2.54:1 low) Powerglide |
All Models exc. Pickups | Std. |
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With Air Conditioning |
Std. |
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Pickups | Std. |
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396 Cubic Inch V-8 Turbo-Fire 396 325 HP Standard (2) | H.D. 3-Spd. (2.41:1 low) 4-Spd. (2.52:1 low) Powerglide |
Super Sport & Pickups | Std. |
Spcl. |
Perf. |
Perf. |
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With Air Conditioning |
Std. |
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396 Cubic Inch V-8 Turbo-Fire 396 360 HP L34 | H.D. 3-Spd. (2.41:1 low) 4-Spd. (2.52:1 low) Powerglide |
Super Sport & Pickups | Perf. |
Perf. |
Std. |
Spcl. |
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With Air Conditioning |
Std. |
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396 Cubic Inch V-8 Turbo-Fire 396 375 HP L78 | H.D. 3-Spd. (2.41:1 low) 4-Spd. (2.52:1 low) |
Super Sport & Pickups | Perf. |
Perf. |
Std. |
Spcl. |
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With Air Conditioning |
Std. |
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4-Spd (2.20:1 low) | Super Sport & Pickups | 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.
2 - Optional on sedan pickup models (RPO L35)
Std. - Standard, Perf. - Performance, Spcl. - Special