Cammin' For Power
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The valves are a restriction in any engine. Larger-diameter valves flow better, but the bore diameter limits how big the valves can be. According to Reher-Morrison, the intake valve should be about 52 percent of bore diameter and the exhaust valve should be 78-84 percent of the intake valve diameter in performance engines. View Related Article
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Ford Mustang Research
Consider the Ford Mustang for your next new car, and browse reviews featuring information on test drives, comparisons, options and features. The 2010 Mustang has fuel economy of 20 mpg, and comes with comparable warranty coverage to other vehicles in its class. Other similar vehicles are the Chevy Camaro and the Pontica GTO.
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