Cylinder Head Tech - Breathe In, Breathe Out
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Engine valves are typically made from steel alloys. Most heads use two valves per cylinder, but some high performance designs use four (two intake, two exhaust) valves to utilize more of the surface area in the combustion chamber as a flow area. Since a combustion engine is only as powerful as its ability to flow a gaseous mixture in and exhaust out, increased flow means greater power potential out of a given engine. View Related Article
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Jeep Wrangler Research
The all new Jeep Wrangler is a good car, with practical styling to fit your lifestyle. Fuel efficiency is important and the 2010 Wrangler with a 18.6 gallon main unleaded fuel tank 15.5 capacity gets 17 mpg, and can seat 4 people comfortably. You may also be interested in the Jeep Liberty and the Ford Escape.
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