According to Ford, "Enthusiasts will say the all-new Ford Fusion equipped with the 2.0-liter EcoBoost turbo engine is a rocket ship."

Ford bases this claim on the fact that the Fusion's power train - which it shares with the Focus ST - has technology in common with NASA's space shuttles.

When selecting a turbine wheel for the EcoBoost's turbocharger, Ford says it "went to the upper limits of commercially available turbo materials". This, it says, will extend the system's life and prevent thermal fatigue.

Ford boasts that the turbocharger is constructed from the same material used in space shuttles' fuel turbo pumps and oxidizer turbo pump blades.

This brings the temperatures of the EcoBoost turbine wheels from the 1,778 degrees Fahrenheit of the Ford Edge and Explorer engine to the 1,922 degrees of the Fusion and ST.

"The benefit of using such high-temperature alloy is that Fusion 2.0-liter drivers can enjoy enthusiastic and spirited driving for the life of the car without degrading turbo reliability or its mechanical integrity," Ford says.

The K03 turbocharger, supplied by BorgWarner, receives cooling from both oil and water. When the engine is in operation, it is chiefly cooled by the oil. But when the engine is at rest, it is cooled by a thermal water siphon created by the water cooling system. The siphon serves to draw heat away from the turbocharger.

 The Fusion and ST's turbo also absorbs gas energy at a faster rate than other turbos because of the integrated design of its exhaust manifold. The exhaust manifold and cylinder head are united in one casting, which reduces plenum volumes by creating smaller internal passageways.

Ford claims that the Fusion can safely run at speeds of up to 190,000 rpm. The sedan goes on sale in the fall.

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