Bicuspid Aortic Valve. Bicuspid aortic valve (BAV) affects approximately one to two percent of people. It is the most common congenital heart disorder, impacting both the aortic valve (which controls the flow of blood into the aorta) and the thoracic aorta (the major vessel that sends blood throughout the body).
Dodge Charger police vehicles equipped with HEMI engines will be able to go from zero to 60 mph in just 6.0 seconds, while multiple-displacement will keep gas mileage from being unreasonable. The 3.5 liter V6 is the base engine, with 250 horsepower at 6400 rpm and 250 lb.-ft. of torque at 3800 rpm.
High-performance engines - Police departments have to strike a balance between power and economy. While a few cars may be equipped with V8 engines for chases or highway work, the bulk of the patrol fleet will usually have V6 engines, which use less fuel. In either case, police cars require engines that can endure severe use. Upgraded alternator - The alternator takes energy from the running engine and coverts it into electricity to run lights, sirens and other electrical systems and equipment. Police cars use alternators that can crank out 225 amps or more.