ACTIVE MINI
Classic Mini 1275 · Standard
1275 cc · Single HIF38 · 1.50 in · naturally aspirated
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Build comparison
Data summary
Build settings
| Setting | Baseline | Loaded build |
|---|---|---|
| Engine capacity (cc) | 1275 | 1275 |
| Bore (mm) | 70.64 | 70.64 |
| Stroke (mm) | 81.30 | 81.30 |
| cylinders | 4 | 4 |
| compression | 9.4 | 9.4 |
| head | 12g940-stock | 12g940-stock |
| head Porting | standard | standard |
| valve Size | 33.34/29.36 | 33.34/29.36 |
| cam | aea630 | aea630 |
| rocker Ratio | 1.3 | 1.3 |
| valve Springs | standard | standard |
| carb Setup | single-hif38 | single-hif38 |
| jet | 2.286 | 2.286 |
| mid Needle | 2.3 | 2.3 |
| top Needle | 1.95 | 1.95 |
| carb Balance | 0 | 0 |
| su Modification | standard | standard |
| inlet | standard | standard |
| air Filter | standard | standard |
| ram Pipes | none | none |
| exhaust Manifold | standard | standard |
| exhaust System | standard | standard |
| ignition | points | points |
| fuel Octane | 97 | 97 |
| flywheel | standard | standard |
| rotating Assembly | standard | standard |
| balanced Assembly | false | false |
| rpm Min | 1500 | 1500 |
| rpm Max | 6500 | 6500 |
| afr | 12.8 | 12.8 |
| temperature | 20 | 20 |
| pressure | 101.325 | 101.325 |
| body Style | Saloon | Saloon |
| gearbox | all-synchromesh | all-synchromesh |
| kerb Weight | 640 | 640 |
| occupant Mass | 75 | 75 |
| vehicle Mass | 715 | 715 |
| final Drive | 3.44 | 3.44 |
| top Gear | 1 | 1 |
| tire Width | 145 | 145 |
| tire Aspect | 80 | 80 |
| wheel Inches | 10 | 10 |
| drivetrain Loss | 18 | 18 |
| drag Area | 0.79 | 0.79 |
| rolling Resistance | 0.016 | 0.016 |
| Metric | Baseline | Loaded | Change |
|---|---|---|---|
| Peak power (bhp) | 59.0 | 59.0 | +0.0 |
| Power peak (rpm) | 5250.0 | 5250.0 | +0.0 |
| Peak torque (lb ft) | 69.0 | 69.0 | +0.0 |
| Torque peak (rpm) | 3500.0 | 3500.0 | +0.0 |
| 0–60 mph (s) | 13.7 | 13.7 | +0.0 |
| Quarter mile (s) | 19.5 | 19.5 | +0.0 |
| Max speed (mph) | 90.5 | 90.5 | +0.0 |
Power and torque changes across the rev range
| RPM | Δ bhp | Δ lb ft |
|---|---|---|
| 2000 | +0.0 | +0.0 |
| 3000 | +0.0 | +0.0 |
| 4000 | +0.0 | +0.0 |
| 5000 | +0.0 | +0.0 |
| 6000 | +0.0 | +0.0 |
Intended use · Road-biased
Selected cam: BMC · AEA630 / 12G165 · 998 Cooper / 1098. Predicted useful maximum: 5,700 rpm.