by 
The Curious Bag
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Representing a quantum leap forward in engine technology, the 1997 Lincoln Town Car's 4.6L Modular V-8 engine was a welcome replacement for the previous generation's 5.0L Windsor V-8, whose basic architecture was conceived almost 30 years before.
Horsepower
With almost 50 horsepower more than those outdated (but much loved) five-liters, the 4.6L Modular motor brought 210 horses of "go" to the Town Car's "show."
Heads
The mod motor's cylinder heads used overhead camshafts, which were among the biggest advantages of the engine's design. This design gives incoming air a straight shot at the intake valve and does not require air to flow through the restrictive intake passage "pinch" of push-rod engines.
Material
Though much larger dimensionally than the 5.0L, mod motors concede little to nothing on weight, owing to their pervasive use of aluminum.
Power Band
Because they don't produce as much torque as their predecessors, mod motors are designed to be high revving by nature.
Potential
Essentially the same engine used in 1995 and newer Mustangs, the Mod motor's claim to fame is its potential. The stock block and rotating assembly are more than capable of handling 375-plus supercharged horsepower.
Source:
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