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Cody, you're being nieve. VTC, DI, and VVL make all the difference in power output and driveability. Those features aren't as noticeble with v8's but hop in a 4cyl sedan with them and you'll see. VTC and VVL offer different cam profiles at different rpm, which allows you to have almost all of your available torque in the lower rpm range. a nice torque curve is the deffenition of drivability and practicality in the streets. Faster off the line? better fuel economy? better emissions?? yes yes and yes please. As Far as output goes, Emissions regulations are tighter now then ever, wich means by having alternate cam profiles you can have a higher engine output while being cleaner.
Damn gotta run but I'l lbe back later, good food for thought tho. and no worries, I don't take anything to heart. But you're dead wrong about me being a magazine reader type, I build engines for a living, I'm a tech for an independently owned exotic repair shop. and you can guess what I do in the weekends.
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