The ROUSH Performance P-51ATM
Mustang is easily the highest horsepower Mustang that the company has ever
produced, and represents the first time that internal engine components have
been upgraded by ROUSH technicians in their Livonia, Mich., facility. It was
determined that the only way to give the P-51ATM
moniker its due was to completely break into the 4.6L, 3V and rebuild several
of the functional internal components, which include a forged steel eight-bolt
crankshaft, forged aluminum pistons with increased dish to lower the
compression from 9:8 to 8:6, and forged steel H-Beam connecting rods. These
upgraded parts were necessary for the stock Ford engine (which comes with 300
horsepower from the factory) to be able to withstand the additional power
generated from the newest iteration of the legendary ROUSHchargerTM
supercharger system.
Additional alterations include a custom
aluminum upper and lower intake manifold for the high capacity air-to-water
intercooler and ROUSHchargerTM. ROUSH installs a
custom fuel rail and high-flow fuel injectors, a high-flow capacity fuel
system, as well as a dual electronic throttle body.
The new ROUSH P-51ATM
engine has a preliminary rating of at least 510 horsepower and 510 lb.-ft.
torque. It is anticipated that final figures may even be slightly higher than
this when final testing and calibration is approved by the ROUSH engineering
staff.
The changes to the ROUSH P-51ATM
don't end under the hood. A ROUSH aerobody kit will be installed,
which includes a front fascia, chin spoiler, hood scoop and rear spoiler. The
ROUSH black high-flow grill is added along with cooling side shields to give
the car the aggressive look it needs while stalking the streets.
Internally the car will come with ROUSH sport leather seating and custom floor
mats, both with an embroidered P-51ATM
emblem. The white face gauges and billet aluminum pedals will get
a lot of use as the driver bangs through the gears with the ROUSH short throw
shift lever and retro black ball.
For those who look behind the 18-inch ROUSH forged five-spoke wheels will see
the vaunted Stage 3 suspension underneath this vehicle. Designed to handle
even the tightest twists and turns, this suspension includes
specially-engineered and tuned front struts, rear shocks, front and rear
springs, front and rear sway bars and jounce bumpers. The front brakes are
also upgraded with 14-inch front two-piece rotors and four-piston calipers.
Each component was specifically engineered so that ride comfort was not
compromised at the expense of the tremendous gains in performance.
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