91 Lincoln Town Car Engine

Introduction

The 1991 Lincoln Town Car was a full-size luxury sedan that was available in two different trim levels: the Executive and the Signature. Both trim levels were powered by a 4.6-liter V8 engine that produced 190 horsepower and 265 lb-ft of torque. The engine was mated to a four-speed automatic transmission.

Engine Specifications

The following are the specifications for the 91 Lincoln Town Car engine:

* **Type:** V8
* **Displacement:** 4.6 liters
* **Horsepower:** 190 hp
* **Torque:** 265 lb-ft
* **Compression ratio:** 9.0:1
* **Bore:** 3.55 inches
* **Stroke:** 3.89 inches
* **Valve train:** Overhead valve
* **Fuel system:** Electronic fuel injection

Engine Features

The 91 Lincoln Town Car engine featured a number of advanced features for its time, including:

* **Electronic fuel injection:** This system used a computer to control the amount of fuel that was injected into the engine. This resulted in improved fuel economy and performance.
* **Overhead valve design:** This design allowed for a more efficient combustion process, which resulted in increased power and torque.
* **Hydraulic valve lifters:** These lifters automatically adjusted the valve clearances, which reduced maintenance costs.

Engine Performance

The 91 Lincoln Town Car engine provided good performance for its time. The car could accelerate from 0 to 60 mph in 9.5 seconds and had a top speed of 115 mph. The engine was also very fuel-efficient, with a combined fuel economy rating of 18 mpg.

Engine Reliability

The 91 Lincoln Town Car engine is generally considered to be reliable. However, some owners have reported problems with the engine’s intake manifold gasket. This gasket can fail, causing coolant to leak into the engine. If this happens, it is important to have the gasket replaced as soon as possible to prevent further damage to the engine.

Conclusion

The 91 Lincoln Town Car engine is a powerful and fuel-efficient engine that provides good performance and reliability. The engine is also relatively easy to maintain. If you are looking for a used Lincoln Town Car, be sure to have the engine inspected by a qualified mechanic before you buy it.