The Datsun A12 engine is the most common A series engine to be found. They are commonly found in most countries and came out in the B110 and B210, known as the Datsun 1200 and 120y.
All A series engine blocks, from the 7/73, were modified with a better method of providing oil to the camshaft, the distributer moved back and the altenator swapped from right to left.
specs are:
- Bore: 73mm
- Stroke: 70mm
- Connecting rod: 121.5mm
- Block Hieght: 189.1mm
- Displacement: 1172cc
- Power: 68hp or 69hp (depending on year and country)