What Jaguar claimed in 1955
| Model | Power | Torque |
|---|---|---|
| XK140, standard | 190 bhp at 5,500 rpm | 210 lb-ft at 2,500 rpm |
| XK140 SE (C-type head) | 210 bhp at 5,750 rpm | 213 lb-ft at 4,000 rpm |
What one rebuilt engine actually made
- Where
- Automark, Stokesley
- When
- May 2026
- Maximum power
- 193.4 bhp at around 4,500 rpm
- Torque
- Around 300 lb-ft at 2,500 rpm rising to 305 lb-ft at 4,500 rpm — a near-flat line across the 2,500 to 4,500 rpm range.
An initial run gave 130 bhp, diagnosed as a throttle linkage fault limiting opening to about two thirds.