1380cc Performance Short Engine – Built by Bill Richards Racing
Take your Classic Mini or Moke to the next level with this high-performance 1380cc short engine, expertly built and dyno-proven for serious power—without sacrificing drivability.
Designed for fast road use, this engine delivers impressive horsepower while maintaining smooth operation and respectable fuel economy, making it ideal for both spirited driving and everyday use.
This 1380cc unit (pre-1992 specification with 5/8" oil transfer pipe) is engineered for ultimate road performance. It features:
- Offset-bored block to 73.5mm
- Evolution 9cc dished pistons
- Matched and balanced A+ connecting rods
- High-performance ultimate road camshaft
- 9-stud block configuration for enhanced strength
Each engine is supplied fully assembled with:
- Oil pump
- Core plugs and gallery plugs
- Front plate
- Duplex timing gear assembly
Please note: Timing cover is not included.
Professionally assembled & ready for final build
Performance Potential:
- Proven 114bhp on the dyno (with supporting components)
- Achieved using:
- Unleaded large valve cylinder head (with bypass hose) MWAMSE4
- Twin SU HS4 carburettors
- Low hydrocarbon emissions despite high performance output
Important Notes:
- Timing cover is NOT included
- Engine supplied as a short motor (bottom end assembled)
- Images shown represent a fully built engine for illustration purposes
Perfect For:
- Fast road Classic Mini builds
- Mini Moke performance upgrades
- Enthusiasts wanting strong, usable power without sacrificing drivability
Best recommended cylinder head is:
UNLEADED LARGE VALVE WITH BYPASS HOSE
Part Number: MWAMSE4 (OPTIONAL)
At Mini World Australia, we source proven performance combinations—so you get an engine that not only makes power, but actually works on the road.
Serious Mini performance starts here.
Please note: This part is bulky and may attract additional freight charges


























