Are Nissan z24i& z24 interchangeble?
The Nissan Z24 engine uses a carburetor, while the Z24i engine is fuel injected. Other than the fuel delivery systems, the two engines are very similar. Swapping a Z24i engine into a Z24-equipped Datsun or Nissan truck has been completed successfully and will allow for increased power from the newer fuel injected engine.References:Off-Road: The Nissan 720 4WD FAQ FileNissan Nut: How to Convert a Nissan 720 (1980- 86) truck to Z24i (fuel injection) from a D21 86.5 – 89 truck.