Can you put a 1994 thunderbird motor in 1996 thunderbird?

While both are Ford Thunderbirds, a direct swap of a 1994 Thunderbird engine into a 1996 Thunderbird isn't a simple plug-and-play affair. The biggest hurdle is the difference in engine control systems. The 1994 model likely uses a simpler system than the 1996, which would have a more sophisticated computer and wiring harness.

You'd likely face challenges including:

* Engine Control Module (ECM) incompatibility: The 1996's computer won't understand the signals from the 1994 engine's sensors, and vice versa. This requires significant rewiring, potentially including a complete ECM swap and possibly extensive modifications to the wiring harness.

* Sensor differences: Even if you managed the ECM, the sensors themselves might have different connectors or operating parameters.

* Exhaust system: The exhaust system may not be compatible.

* Transmission compatibility: While the transmissions might *seem* compatible, there could be subtle differences requiring modifications or adapter plates.

In short, it's not impossible, but it's a major undertaking requiring significant mechanical and electrical expertise. It would be far more complex than a simple engine swap in cars with more consistent systems across model years. You'd be better off looking for a replacement engine that's a direct fit for the 1996 model year.