port & polish started very early. It's a science and a bit of an art. The area at the intake and exhaust valve are the smallest (most restrictive) areas that flow air in and out of the motor. Anything that helps airflow through this area can increase power. The procedure is intended to tune the motor to work the best possible at the RPM range selected. Just like any other mod, the intended use must be matched. You have the physical limits of the parts, the need to equilize the work and the cost VS benefit. As an example (w/pics) look at this... http://www.moparts.com/Tech/Archive/motor/31.html. I'm sure there are other discussions out there.
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2004 Dark Plum Base with windows tinted, cabin filter, silencers removed, fog lights, 18\'s, all Red taillights, Blaine\'s struts, modesty cover, color-matched center dash, 06 rear bumper
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