331 Ways to Waste an LS1
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The CNC program machines an offset cylinder chamfer for a 4.100 bore. This 60-degree offset chamfer unshrouds intake and exhaust valves, similar to the Boss 302 and 351 Cleveland. Most aftermarket heads are 4.100 bore, as are the head gaskets. A 4.030 bore block without this chamfer leaves a wall for air and fuel to get around on the side of the valve. This subtle machine operation is one of the horsepower enhancements available with a fully CNC-blueprinted block. 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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