- Six cylinder SOHC, 30° slant installation
- Bore 92 mm, stroke 86 mm
- Bosch L-Jetronic fuel injection
- 218 bhp at 5200 rpm
- 290 Nm at 4300 rpm
- 0-62 mph 7.4 seconds
- Top speed 142 mph
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Graphic illustration of engine perfomance showing the power and torque curves.


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Power and torque for 635 CSi (3453cc)
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Power and torque for 628 CSi (2788cc)
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