Will the 1.3 liter engine block from a 1988 Suzuki samurai be direct replacement for 1993 samurai?

No, a 1.3L engine block from a 1988 Suzuki Samurai will not be a direct replacement for a 1993 Suzuki Samurai. While both are 1.3L, there were internal differences between the early and later 1.3L engines. You might be able to swap some parts, but a direct bolt-in swap is not guaranteed. There could be differences in:

* Block casting: Minor casting revisions could mean differences in bolt patterns or mounting points.

* Oil pan: The oil pan may not fit correctly.

* Sensors and wiring harnesses: Sensor locations and wiring harness connectors might not be compatible.

* Internal components: While externally similar, internal components like pistons, crankshaft, etc., could have slight differences.

In short, while it *might* be possible with significant modification and adaptation, it's not a straightforward swap and would require a thorough comparison of the two engines before attempting. Finding a used 1.3L engine from a similar year 1993 Samurai would be a far simpler and less problematic solution.