Suzuki G-series B engine is a lightweight, high-output, twin-cam four cylinder. For example, the G13B from GTI Swift is lighter than A15, but 109 HP compare to 80HP for an A15. See wikipedia:Suzuki G Engine
GB13 in Datsun 1000
See Build Project discussion: G13B into my KB10
Needs
- Distributor: because it is on the back of the head, you will need a right-angle distributor, Or crank trigger ignition like EDIS
- Gearbox: use Suzuki Sierra or Samurai gearbox