NOW make a AMERICAN engine VTECH say 5.0 mustang (what does that come out to?... hell make a viper VTECH... if youre so good at math.... (ill do it for you) 450 hp/8 liters = 56.25/per liter 2004 honda civic Vtech 160hp/2liters = 80/per liter... now lets take those figure and make a VIPER VTECH shall we... we take number of liters multiply by (per liter HP ratio) = 640... there is the math in black and white... and the VIPER is the fastest production 1/4 car... not some special calloway vette, saleen mustang, superduper SS (whatever) the average, majority, nearly all of them american muscle car motor is extremely ineffeicent... #of cylinders, liters, weight, horsepower... and lets not talk about...he/said/she/said... show me FACTS...not your opinion... thanks alot billybob!